CVE-2026-21361: Adobe Commerce | Cross-site Scripting (Stored XSS) (CWE-79)
Adobe Commerce versions 2.4.9-alpha3, 2.4.8-p3, 2.4.7-p8, 2.4.6-p13, 2.4.5-p15, 2.4.4-p16 and earlier are affected by a stored Cross-Site Scripting (XSS) vvulnerability 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. A successful attacker can abuse this to achieve session takeover, increasing the confidentiality, and integrity impact to high. Exploitation of this issue requires user interaction in that a victim must browse to the page containing the vulnerable field.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-21361?
The severity of CVE-2026-21361 is considered high due to the potential for a high-privileged attacker to execute stored cross-site scripting (XSS).
How do I fix CVE-2026-21361?
To fix CVE-2026-21361, update Adobe Commerce to the latest version that addresses this vulnerability, specifically version 2.4.9-alpha4 or later.
What is the impact of CVE-2026-21361 on my Adobe Commerce installation?
CVE-2026-21361 allows attackers to inject malicious scripts into user sessions, potentially compromising user data and the integrity of the application.
Which versions of Adobe Commerce are affected by CVE-2026-21361?
Affected versions include Adobe Commerce 2.4.9-alpha3 and earlier, as well as 2.4.8-p3, 2.4.7-p8, 2.4.6-p13, and earlier versions.
Is there a workaround for CVE-2026-21361 while I update?
Currently, there are no official workarounds for CVE-2026-21361, so immediate upgrading is recommended to mitigate risk.