Adobe Commerce <=2.4.9-beta1 Stored XSS in Form Fields
CVE-2026-34655 Published on May 12, 2026

Adobe Commerce | Cross-site Scripting (Stored XSS) (CWE-79)
Adobe Commerce versions 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14, 2.4.5-p16, 2.4.4-p17 and earlier are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a high-privileged attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim's browser when they browse to the page containing the vulnerable field. Scope is changed.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-34655 can be exploited with network access, requires user interaction and user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.

Attack Vector:

NETWORK

Attack Complexity:

LOW

Privileges Required:

HIGH

User Interaction:

REQUIRED

Scope:

CHANGED

Confidentiality Impact:

LOW

Integrity Impact:

LOW

Availability Impact:

NONE

Weakness Type

What is a XSS Vulnerability?

The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

CVE-2026-34655 has been classified to as a XSS vulnerability or weakness.

Products Associated with CVE-2026-34655

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Adobe Commerce

Adobe Commerce B2b

Adobe Magento Open Source

Affected Versions

Adobe Commerce:

Before and including 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14, 2.4.5-p16, 2.4.4-p17 is affected.
Version 2.4.9, 2.4.8-p5, 2.4.7-p10, 2.4.6-p15, 2.4.5-p17, 2.4.4-p18 is unaffected.

Adobe Commerce B2B:

Before and including 1.5.3-beta1, 1.5.2-p4, 1.4.2-p9, 1.3.4-p16, 1.3.3-p17 is affected.
Version 1.5.3, 1.5.2-p5, 1.4.2-p10, 1.3.4-p17, 1.3.3-p18 is unaffected.

Adobe Magento Open Source:

Before and including 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14 is affected.
Version 2.4.9, 2.4.8-p5, 2.4.7-p10, 2.4.6-p15 is unaffected.

Exploit Probability

EPSS

0.37%

Percentile

29.44%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.