Adobe Connect

Adobe Connect <2025.9.15: Deserialization Untrusted Data -> Arbitrary Code Exec
CVE-2026-34659 9.6 - Critical - May 12, 2026

Adobe Connect versions 2025.9.15, 2025.8.157 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to execute arbitrary code. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.

Marshaling, Unmarshaling

Adobe Connect <2025.9.15 Incorrect Auth Allows Arbitrary Code Exec
CVE-2026-34660 9.3 - Critical - May 12, 2026

Adobe Connect versions 2025.9.15, 2025.8.157 and earlier are affected by an Incorrect Authorization vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.

AuthZ

Adobe Connect XSS before 2025.3 Privilege Escalation
CVE-2026-34617 8.7 - High - April 14, 2026

Adobe Connect versions 2025.3, 12.10 and earlier are affected by a Cross-Site Scripting (XSS) vulnerability that could result in privilege escalation. A low-privileged attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.

XSS

Adobe Connect 12.10, 2025.3 Deser: Untrusted Data Arbitrary Code Exec
CVE-2026-27303 9.6 - Critical - April 14, 2026

Adobe Connect versions 2025.3, 12.10 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.

Marshaling, Unmarshaling

Adobe Connect 2025.3/12.10 and below: Reflected XSS (CVE-2026-21331)
CVE-2026-21331 6.1 - Medium - April 14, 2026

Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser. Scope is changed.

XSS

Adobe Connect 2025.3/12.10 DOM-based XSS Vulnerability (CVE-2026-27246)
CVE-2026-27246 9.3 - Critical - April 14, 2026

Adobe Connect versions 2025.3, 12.10 and earlier are affected by a DOM-based Cross-Site Scripting (XSS) vulnerability. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.

XSS

Adobe Connect Reflected XSS before 12.10, Scope Changed
CVE-2026-34614 6.1 - Medium - April 14, 2026

Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser. Scope is changed.

XSS

Adobe Connect 2025.3 & 12.10: Reflected XSS (CVE-2026-27245)
CVE-2026-27245 9.3 - Critical - April 14, 2026

Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.

XSS

Adobe Connect 12.10/2025.3 Deserialization Exploit
CVE-2026-34615 9.3 - Critical - April 14, 2026

Adobe Connect versions 2025.3, 12.10 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.

Marshaling, Unmarshaling

Adobe Connect 12.10 Reflected XSS via URL, Scope Change
CVE-2026-27243 9.3 - Critical - April 14, 2026

Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.

XSS

Adobe Connect 12.9- Dom XSS in Web UI (CVE-2025-49552)
CVE-2025-49552 8.1 - High - October 14, 2025

Adobe Connect versions 12.9 and earlier are affected by a DOM-based Cross-Site Scripting (XSS) vulnerability that could be exploited by a high-privileged attacker to execute malicious scripts in a victim's browser. Exploitation of this issue requires user interaction in that a victim must navigate to a crafted web page. A successful attacker can abuse this to achieve session takeover, increasing the confidentiality and integrity impact as high. Scope is changed.

XSS

Adobe Connect <=12.9 DOM XSS via crafted page
CVE-2025-49553 9.3 - Critical - October 14, 2025

Adobe Connect versions 12.9 and earlier are affected by a DOM-based Cross-Site Scripting (XSS) vulnerability that could be exploited by an attacker to execute malicious scripts in a victim's browser. Exploitation of this issue requires user interaction in that a victim must navigate to a crafted web page. A successful attacker can abuse this to achieve session takeover, increasing the confidentiality and integrity impact as high. Scope is changed.

XSS

Adobe Connect <=12.9 OpenRedirect Vulnerability
CVE-2025-54196 4.3 - Medium - October 14, 2025

Adobe Connect versions 12.9 and earlier are affected by a URL Redirection to Untrusted Site ('Open Redirect') vulnerability. An attacker could leverage this vulnerability to redirect users to malicious websites. Exploitation of this issue requires user interaction in that a victim must click on a crafted link.

Open Redirect

Adobe Connect 24.0 and earlier: Deserialization of Untrusted Data causing RCE
CVE-2025-27203 9.6 - Critical - July 08, 2025

Adobe Connect versions 24.0 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could lead to arbitrary code execution by an attacker. Exploitation of this issue does require user interaction and scope is changed.

Marshaling, Unmarshaling

Adobe Connect <=12.8 Stored XSS via Form Fields
CVE-2025-30316 5.4 - Medium - May 13, 2025

Adobe Connect versions 12.8 and earlier are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a low privileged attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victims browser when they browse to the page containing the vulnerable field.

XSS

Adobe Connect 12.8 and earlier – Stored XSS in form fields
CVE-2025-30315 6.1 - Medium - May 13, 2025

Adobe Connect versions 12.8 and earlier are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victims browser when they browse to the page containing the vulnerable field.

XSS

Adobe Connect 12.8-: Stored XSS in Form Fields
CVE-2025-30314 6.1 - Medium - May 13, 2025

Adobe Connect versions 12.8 and earlier are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victims browser when they browse to the page containing the vulnerable field.

XSS

Adobe Connect 12.8- XSS in Form Fields
CVE-2025-43567 9.3 - Critical - May 13, 2025

Adobe Connect versions 12.8 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victims browser when they browse to the page containing the vulnerable field. A successful attacker can abuse this to achieve session takeover, increasing the confidentiality and integrity impact as high.

XSS

Adobe Connect Reflected Cross-Site Scripting (XSS) Vulnerability
CVE-2024-54042 6.1 - Medium - December 10, 2024

Adobe Connect versions 12.6, 11.4.7 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an unauthenticated attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser.

XSS

Adobe Connect Improper Access Control Vulnerability
CVE-2024-54038 4.3 - Medium - December 10, 2024

Adobe Connect versions 12.6, 11.4.7 and earlier are affected by an Improper Access Control vulnerability that could result in a Security feature bypass. A low-privileged attacker could leverage this vulnerability to bypass security measures and have a low impact on confidentiality. Exploitation of this issue does not require user interaction.

Authorization

Adobe Connect URL Redirection Vulnerability
CVE-2024-54051 6.1 - Medium - December 10, 2024

Adobe Connect versions 12.6, 11.4.7 and earlier are affected by a URL Redirection to Untrusted Site ('Open Redirect') vulnerability. An attacker could leverage this vulnerability to redirect users to malicious websites. Exploitation of this issue requires user interaction.

Open Redirect

Adobe Connect URL Redirection Vulnerability
CVE-2024-54050 6.1 - Medium - December 10, 2024

Adobe Connect versions 12.6, 11.4.7 and earlier are affected by a URL Redirection to Untrusted Site ('Open Redirect') vulnerability. An attacker could leverage this vulnerability to redirect users to malicious websites. Exploitation of this issue requires user interaction.

Open Redirect

Adobe Connect Reflected Cross-Site Scripting (XSS) Vulnerability
CVE-2024-54049 6.1 - Medium - December 10, 2024

Adobe Connect versions 12.6, 11.4.7 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser.

XSS

Adobe Connect Reflected Cross-Site Scripting (XSS) Vulnerability
CVE-2024-54048 6.1 - Medium - December 10, 2024

Adobe Connect versions 12.6, 11.4.7 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an unauthenticated attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser.

XSS

Adobe Connect Reflected Cross-Site Scripting (XSS) Vulnerability
CVE-2024-54047 6.1 - Medium - December 10, 2024

Adobe Connect versions 12.6, 11.4.7 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an unauthenticated attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser.

XSS

Adobe Connect Reflected Cross-Site Scripting (XSS) Vulnerability
CVE-2024-54046 6.1 - Medium - December 10, 2024

Adobe Connect versions 12.6, 11.4.7 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an unauthenticated attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser.

XSS

Adobe Connect Reflected Cross-Site Scripting (XSS) Vulnerability
CVE-2024-54045 6.1 - Medium - December 10, 2024

Adobe Connect versions 12.6, 11.4.7 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an unauthenticated attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser.

XSS

Adobe Connect Reflected Cross-Site Scripting (XSS) Vulnerability
CVE-2024-54044 6.1 - Medium - December 10, 2024

Adobe Connect versions 12.6, 11.4.7 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an unauthenticated attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser.

XSS

Adobe Connect Reflected Cross-Site Scripting (XSS) Vulnerability
CVE-2024-54043 6.1 - Medium - December 10, 2024

Adobe Connect versions 12.6, 11.4.7 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an unauthenticated attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser.

XSS

Adobe Connect Stored XSS Vulnerability in Form Fields
CVE-2024-54041 5.4 - Medium - December 10, 2024

Adobe Connect versions 12.6, 11.4.7 and earlier are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victims browser when they browse to the page containing the vulnerable field.

XSS

Adobe Connect Stored XSS Vulnerability in Form Fields
CVE-2024-54040 5.4 - Medium - December 10, 2024

Adobe Connect versions 12.6, 11.4.7 and earlier are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victims browser when they browse to the page containing the vulnerable field.

XSS

Adobe Connect Reflected Cross-Site Scripting (XSS) Vulnerability
CVE-2024-49550 6.1 - Medium - December 10, 2024

Adobe Connect versions 12.6, 11.4.7 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser.

XSS

Adobe Connect Stored XSS Vulnerability in Form Fields
CVE-2024-54039 5.4 - Medium - December 10, 2024

Adobe Connect versions 12.6, 11.4.7 and earlier are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victims browser when they browse to the page containing the vulnerable field.

XSS

Adobe Connect DOM-based XSS Vulnerability
CVE-2024-54037 8.1 - High - December 10, 2024

Adobe Connect versions 12.6, 11.4.7 and earlier are affected by a DOM-based Cross-Site Scripting (XSS) vulnerability that could be exploited by an attacker to execute arbitrary code in the context of the victim's browser session. By manipulating a DOM element through a crafted URL or user input, the high-privileged attacker can inject malicious scripts that run when the page is rendered. This type of attack requires user interaction, as the victim would need to visit a malicious link or input data into a compromised form. A successful attacker can abuse this to achieve session takeover, increasing the confidentiality and integrity impact as high.

XSS

Adobe Connect Stored XSS Vulnerability in Form Fields
CVE-2024-54036 9.3 - Critical - December 10, 2024

Adobe Connect versions 12.6, 11.4.7 and earlier are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victims browser when they browse to the page containing the vulnerable field. A successful attacker can abuse this to achieve session takeover, increasing the confidentiality and integrity impact as high.

XSS

Adobe Connect Reflected Cross-Site Scripting (XSS) Vulnerability
CVE-2024-54034 9.3 - Critical - December 10, 2024

Adobe Connect versions 12.6, 11.4.7 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser. A successful attacker can abuse this to achieve session takeover, increasing the confidentiality and integrity impact as high.

XSS

Adobe Connect Stored XSS Vulnerability in Form Fields
CVE-2024-54032 9.3 - Critical - December 10, 2024

Adobe Connect versions 12.6, 11.4.7 and earlier are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victims browser when they browse to the page containing the vulnerable field. A successful attacker can abuse this to achieve session takeover, increasing the confidentiality and integrity impact as high.

XSS

Adobe Connect 12.3 Reflected XSS on Vulnerable Page
CVE-2023-29305 6.1 - Medium - September 13, 2023

Adobe Connect versions 12.3 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser.

XSS

Adobe Connect 12.3- Reflected XSS Vulnerability (CVE-2023-29306)
CVE-2023-29306 6.1 - Medium - September 13, 2023

Adobe Connect versions 12.3 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser.

XSS

Adobe Connect Improper Access Control (v11.4.5-, v12.1.5-): Feature Bypass
CVE-2023-22232 5.3 - Medium - February 17, 2023

Adobe Connect versions 11.4.5 (and earlier), 12.1.5 (and earlier) are affected by an Improper Access Control vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to impact the integrity of a minor feature. Exploitation of this issue does not require user interaction.

Authorization

Adobe Connect version 11.2.3 (and earlier) is affected by a Deserialization of Untrusted Data vulnerability to achieve arbitrary method invocation when AMF messages are deserialized on an Adobe Connect server
CVE-2021-40719 9.8 - Critical - October 21, 2021

Adobe Connect version 11.2.3 (and earlier) is affected by a Deserialization of Untrusted Data vulnerability to achieve arbitrary method invocation when AMF messages are deserialized on an Adobe Connect server. An attacker can leverage this to execute remote code execution on the server.

Marshaling, Unmarshaling

Adobe Connect version 11.2.3 (and earlier) is affected by a reflected Cross-Site Scripting (XSS) vulnerability
CVE-2021-40721 6.1 - Medium - October 15, 2021

Adobe Connect version 11.2.3 (and earlier) is affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser.

XSS

Adobe Connect version 11.2.2 (and earlier) is affected by a secure design principles violation vulnerability via the 'pbMode' parameter
CVE-2021-36061 5.4 - Medium - September 01, 2021

Adobe Connect version 11.2.2 (and earlier) is affected by a secure design principles violation vulnerability via the 'pbMode' parameter. An unauthenticated attacker could leverage this vulnerability to edit or delete recordings on the Connect environment. Exploitation of this issue requires user interaction in that a victim must publish a link of a Connect recording.

Violation of Secure Design Principles

Adobe Connect version 11.2.2 (and earlier) is affected by a Reflected Cross-site Scripting vulnerability
CVE-2021-36063 6.1 - Medium - September 01, 2021

Adobe Connect version 11.2.2 (and earlier) is affected by a Reflected Cross-site Scripting vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victims browser when they browse to the page containing the vulnerable field.

XSS

Adobe Connect version 11.2.2 (and earlier) is affected by a Reflected Cross-site Scripting vulnerability
CVE-2021-36062 6.1 - Medium - September 01, 2021

Adobe Connect version 11.2.2 (and earlier) is affected by a Reflected Cross-site Scripting vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser.

XSS

Adobe Connect version 11.2.1 (and earlier) is affected by an Improper access control vulnerability
CVE-2021-28579 4.3 - Medium - June 28, 2021

Adobe Connect version 11.2.1 (and earlier) is affected by an Improper access control vulnerability that can lead to the elevation of privileges. An attacker with 'Learner' permissions can leverage this scenario to access the list of event participants.

Adobe Connect version 11.0.7 (and earlier) is affected by an Input Validation vulnerability in the export feature
CVE-2021-21085 7.8 - High - March 12, 2021

Adobe Connect version 11.0.7 (and earlier) is affected by an Input Validation vulnerability in the export feature. An attacker could exploit this vulnerability by injecting a payload into an online event form and achieve code execution if the victim exports and opens the data on their local machine.

Improper Input Validation

Adobe Connect version 11.0.7 (and earlier) is affected by a reflected Cross-Site Scripting (XSS) vulnerability
CVE-2021-21080 6.1 - Medium - March 12, 2021

Adobe Connect version 11.0.7 (and earlier) is affected by a reflected Cross-Site Scripting (XSS) vulnerability. An attacker could exploit this vulnerability to inject malicious JavaScript content that may be executed within the context of the victim's browser when they browse to the page containing the vulnerable field.

XSS

Adobe Connect version 11.0.7 (and earlier) is affected by a reflected Cross-Site Scripting (XSS) vulnerability
CVE-2021-21079 6.1 - Medium - March 12, 2021

Adobe Connect version 11.0.7 (and earlier) is affected by a reflected Cross-Site Scripting (XSS) vulnerability. An attacker could exploit this vulnerability to inject malicious JavaScript content that may be executed within the context of the victim's browser when they browse to the page containing the vulnerable field.

XSS

Adobe Connect version 11.0 (and earlier) is affected by a reflected Cross-Site Scripting (XSS) vulnerability
CVE-2020-24443 6.1 - Medium - November 12, 2020

Adobe Connect version 11.0 (and earlier) is affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser.

XSS