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Products by Onlyoffice Sorted by Most Security Vulnerabilities since 2018

Onlyoffice Document Server23 vulnerabilities

Onlyoffice Server6 vulnerabilities

Onlyoffice5 vulnerabilities

Onlyoffice Core2 vulnerabilities

Onlyoffice Google Translate1 vulnerability

Onlyoffice Workspace1 vulnerability

Known Exploited Onlyoffice Vulnerabilities

The following Onlyoffice vulnerabilities have been marked by CISA as Known to be Exploited by threat actors.

Title	Description	Added
ONLYOFFICE Docs Server Path Traversal Vulnerability	ONLYOFFICE Docs contains a path traversal vulnerability that can occur when JWT is used, via a /.. sequence in an image upload parameter and could allow for remote code execution. CVE-2021-3199 Exploit Probability: 19.4%	October 8, 2026

The vulnerability CVE-2021-3199: ONLYOFFICE Docs Server Path Traversal Vulnerability is in the top 5% of the currently known exploitable vulnerabilities.

By the Year

In 2026 there have been 0 vulnerabilities in Onlyoffice. Last year, in 2025 Onlyoffice had 5 security vulnerabilities published. Right now, Onlyoffice is on track to have less security vulnerabilities in 2026 than it did last year.

Year	Vulnerabilities	Average Score
2026	0	0.00
2025	5	7.25
2024	4	6.30
2023	12	7.48
2022	3	8.57
2021	7	9.47
2020	4	0.00

It may take a day or so for new Onlyoffice vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.

Recent Onlyoffice Security Vulnerabilities

CVE	Date	Vulnerability	Products
CVE-2025-68936	Dec 25, 2025	ONLYOFFICE Docs 9.x XSS via Color Theme Name in DocumentServer ONLYOFFICE Docs before 9.2.1 allows XSS via the Color theme name. This is related to DocumentServer.	Document Server
CVE-2025-68935	Dec 25, 2025	ONLYOFFICE Docs XSS via Font field before 9.2.1 (DocumentServer) ONLYOFFICE Docs before 9.2.1 allows XSS via the Font field for the Multilevel list settings window. This is related to DocumentServer.	Document Server
CVE-2025-68917	Dec 24, 2025	ONLYOFFICE Docs <9.2.1 XSS via comment textarea (DocumentServer) ONLYOFFICE Docs before 9.2.1 allows XSS in the textarea of the comment editing form. This is related to DocumentServer.	Document Server
CVE-2025-6380	Jul 24, 2025	ONLYOFFICE Docs WP Plugin 1.1.0-2.2.0 - Privilege Escalation via oo.callback The ONLYOFFICE Docs plugin for WordPress is vulnerable to Privilege Escalation due to missing authorization within its oo.callback REST endpoint in versions 1.1.0 to 2.2.0. The plugins permission callback only verifies that the supplied, encrypted attachment ID maps to an existing attachment post, but does not verify the requesters identity or capabilities. This makes it possible for unauthenticated attackers to log in as an arbitrary user.	Onlyoffice
CVE-2023-46988	Apr 01, 2025	ONLYOFFICE Document Server <8.0.1 Path Traversal via fileExt in /example/editor Path Traversal vulnerability in ONLYOFFICE Document Server before v8.0.1 allows a remote attacker to copy arbitrary files by manipulating the fileExt parameter in the /example/editor endpoint, leading to unauthorized access to sensitive files and potential Denial of Service (DoS).	Document Server
CVE-2024-11750	Dec 12, 2024	Stored XSS Vulnerability in ONLYOFFICE DocSpace WordPress Plugin The ONLYOFFICE DocSpace plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'onlyoffice-docspace' shortcode in all versions up to, and including, 2.1.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.	Onlyoffice
CVE-2024-11450	Dec 06, 2024	Stored XSS Vulnerability in ONLYOFFICE Docs WordPress Plugin The ONLYOFFICE Docs plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'onlyoffice' shortcode in all versions up to, and including, 2.0.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.	Onlyoffice
CVE-2024-44085	Sep 09, 2024	ONLYOFFICE Docs <8.1 XSS via IIFE GeneratorFunction Macro ONLYOFFICE Docs before 8.1.0 allows XSS via a GeneratorFunction Object attack against a macro. This is related to use of an immediately-invoked function expression (IIFE) for a macro. NOTE: this issue exists because of an incorrect fix for CVE-2021-43446 and CVE-2023-50883.	Onlyoffice
CVE-2023-50883	Sep 09, 2024	ONLYOFFICE Docs <8.0.1 XSS via IIFE leading to Function ctor sandbox escape ONLYOFFICE Docs before 8.0.1 allows XSS because a macro is an immediately-invoked function expression (IIFE), and therefore a sandbox escape is possible by directly calling the constructor of the Function object. NOTE: this issue exists because of an incorrect fix for CVE-2021-43446.	Document Server
CVE-2023-30186	Aug 14, 2023	Use-after-Free in ONLYOFFICE DocSrv <7.3.2 via crafted JS A use after free issue discovered in ONLYOFFICE DocumentServer 4.0.3 through 7.3.2 allows remote attackers to run arbitrary code via crafted JavaScript file.	Document Server
CVE-2023-30187	Aug 14, 2023	OOB memory access \| ONLYOFFICE DocServer <7.3.2 via JavaScript payload An out of bounds memory access vulnerability in ONLYOFFICE DocumentServer 4.0.3 through 7.3.2 allows remote attackers to run arbitrary code via crafted JavaScript file.	Document Server
CVE-2023-30188	Aug 14, 2023	Memory Exhaustion in ONLYOFFICE Document Server 4.0.3-7.3.2 via JS Memory Exhaustion vulnerability in ONLYOFFICE Document Server 4.0.3 through 7.3.2 allows remote attackers to cause a denial of service via crafted JavaScript file.	Document Server
CVE-2023-34939	Jun 22, 2023	OnlyOffice Community Server <12.5.2 RCE via UploadProgress.ashx Onlyoffice Community Server before v12.5.2 was discovered to contain a remote code execution (RCE) vulnerability via the component UploadProgress.ashx.	Onlyoffice
CVE-2022-48422	Mar 19, 2023	ONLYOFFICE Docs <=7.3 Priv Escalation via libgcc_s Trojan ONLYOFFICE Docs through 7.3 on certain Linux distributions allows local users to gain privileges via a Trojan horse libgcc_s.so.1 in the current working directory, which may be any directory in which an ONLYOFFICE document is located.	Document Server
CVE-2022-47412	Feb 07, 2023	OnlyOffice Workspace DMS XSS via Malicious Doc (Stored / Type II) Given a malicious document provided by an attacker, the ONLYOFFICE Workspace DMS is vulnerable to a stored (persistent, or "Type II") cross-site scripting (XSS) condition.	Workspace
CVE-2021-43445	Jan 23, 2023	ONLYOFFICE Incorrect Access Control via Default JWT Signing Key ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An attacker can authenticate with the web socket service of the ONLYOFFICE document editor which is protected by JWT auth by using a default JWT signing key.	Server
CVE-2021-43448	Jan 23, 2023	ONLYOFFICE Improper Input Validation Enables User Name Spoofing ONLYOFFICE all versions as of 2021-11-08 is vulnerable to Improper Input Validation. A lack of input validation can allow an attacker to spoof the names of users who interact with a document, if the document id is known.	Server
CVE-2021-43444	Jan 23, 2023	ONLYOFFICE Incorrect Access Control - Forged Doc URLs via Weak Signing Key ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. Signed document download URLs can be forged due to a weak default URL signing key.	Server Document Server
CVE-2021-43446	Jan 23, 2023	OnlyOffice XSS via Macro Feature in Document Editor ONLYOFFICE all versions as of 2021-11-08 is vulnerable to Cross Site Scripting (XSS). The "macros" feature of the document editor allows malicious cross site scripting payloads to be used.	Server
CVE-2021-43447	Jan 23, 2023	ONLYOFFICE Auth Bypass via Document Editor ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An authentication bypass in the document editor allows attackers to edit documents without authentication.	Server
CVE-2021-43449	Jan 23, 2023	ONLYOFFICE SSRF via Document Editor Service ONLYOFFICE all versions as of 2021-11-08 is vulnerable to Server-Side Request Forgery (SSRF). The document editor service can be abused to read and serve arbitrary URLs as a document.	Server
CVE-2022-29776	Jun 02, 2022	Onlyoffice Document Server v6.0.0 and below and Core 6.1.0.26 and below were discovered to contain a stack overflow Onlyoffice Document Server v6.0.0 and below and Core 6.1.0.26 and below were discovered to contain a stack overflow via the component DesktopEditor/common/File.cpp.	Core Document Server
CVE-2022-29777	Jun 02, 2022	Onlyoffice Document Server v6.0.0 and below and Core 6.1.0.26 and below were discovered to contain a heap overflow Onlyoffice Document Server v6.0.0 and below and Core 6.1.0.26 and below were discovered to contain a heap overflow via the component DesktopEditor/fontengine/fontconverter/FontFileBase.h.	Core Document Server
CVE-2022-24229	Apr 08, 2022	A cross-site scripting (XSS) vulnerability in ONLYOFFICE Document Server Example before v7.0.0 A cross-site scripting (XSS) vulnerability in ONLYOFFICE Document Server Example before v7.0.0 allows remote attackers inject arbitrary HTML or JavaScript through /example/editor.	Document Server
CVE-2021-40864	Sep 10, 2021	The Translate plugin 6.1.x through 6.3.x before 6.3.0.72 for ONLYOFFICE Document Server lacks escape calls for the msg.data and text fields. The Translate plugin 6.1.x through 6.3.x before 6.3.0.72 for ONLYOFFICE Document Server lacks escape calls for the msg.data and text fields.	Google Translate
CVE-2021-25829	Mar 01, 2021	An improper binary stream data handling issue was found in the [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v5.6.3 An improper binary stream data handling issue was found in the [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v5.6.3. Using this bug, an attacker is able to produce a denial of service attack that can eventually shut down the target server.	Document Server
CVE-2021-25833	Mar 01, 2021	A file extension handling issue was found in [server] module of ONLYOFFICE DocumentServer v4.2.0.71-v5.6.0.21 A file extension handling issue was found in [server] module of ONLYOFFICE DocumentServer v4.2.0.71-v5.6.0.21. The file extension is controlled by an attacker through the request data and leads to arbitrary file overwriting. Using this vulnerability, a remote attacker can obtain remote code execution on DocumentServer.	Document Server
CVE-2021-25832	Mar 01, 2021	A heap buffer overflow vulnerability inside of BMP image processing was found at [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v6.0.0 A heap buffer overflow vulnerability inside of BMP image processing was found at [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v6.0.0. Using this vulnerability, an attacker is able to gain remote code executions on DocumentServer.	Document Server
CVE-2021-25831	Mar 01, 2021	A file extension handling issue was found in [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v5.6.3 A file extension handling issue was found in [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v5.6.3. An attacker must request the conversion of the crafted file from PPTT into PPTX format. Using the chain of two other bugs related to improper string handling, a remote attacker can obtain remote code execution on DocumentServer.	Document Server
CVE-2021-25830	Mar 01, 2021	A file extension handling issue was found in [core] module of ONLYOFFICE DocumentServer v4.2.0.236-v5.6.4.13 A file extension handling issue was found in [core] module of ONLYOFFICE DocumentServer v4.2.0.236-v5.6.4.13. An attacker must request the conversion of the crafted file from DOCT into DOCX format. Using the chain of two other bugs related to improper string handling, an attacker can achieve remote code execution on DocumentServer.	Document Server
CVE-2021-3199	Jan 26, 2021	Directory traversal with remote code execution can occur in /upload in ONLYOFFICE Document Server before 5.6.3, when JWT is used, via a / Directory traversal with remote code execution can occur in /upload in ONLYOFFICE Document Server before 5.6.3, when JWT is used, via a /.. sequence in an image upload parameter.	Document Server
CVE-2020-11534	Apr 15, 2020	An issue was discovered in ONLYOFFICE Document Server 5.5.0 An issue was discovered in ONLYOFFICE Document Server 5.5.0. An attacker can craft a malicious .docx file, and exploit the NSFileDownloader function to pass parameters to a binary (such as curl or wget) and remotely execute code on a victim's server.	Document Server
CVE-2020-11537	Apr 15, 2020	A SQL Injection issue was discovered in ONLYOFFICE Document Server 5.5.0 A SQL Injection issue was discovered in ONLYOFFICE Document Server 5.5.0. An attacker can execute arbitrary SQL queries via injection to DocID parameter of Websocket API.	Document Server
CVE-2020-11536	Apr 15, 2020	An issue was discovered in ONLYOFFICE Document Server 5.5.0 An issue was discovered in ONLYOFFICE Document Server 5.5.0. An attacker can craft a malicious .docx file, and exploit the unzip function to rewrite a binary and remotely execute code on a victim's server.	Document Server
CVE-2020-11535	Apr 15, 2020	An issue was discovered in ONLYOFFICE Document Server 5.5.0 An issue was discovered in ONLYOFFICE Document Server 5.5.0. An attacker can craft a malicious .docx file, and exploit XML injection to enter an attacker-controlled parameter into the x2t binary, to rewrite this binary and/or libxcb.so.1, and execute code on a victim's server.	Document Server