CVE-2026-21291
March 11, 2026
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) vulnerability that could be abused by a high-privileged attacker to inject malicious scripts into vulnerable form fields. Exploitation of this issue requires user interaction in that a victim must browse to the page containing the vulnerable field.
Affected Packages
magento/community-edition (PHP):
Affected version(s) >=2.4.4-p1 <2.4.4-p17Fix Suggestion:
Update to version 2.4.4-p17magento/community-edition (PHP):
Affected version(s) >=2.4.9-alpha1 <2.4.9-beta1Fix Suggestion:
Update to version 2.4.9-beta1magento/community-edition (PHP):
Affected version(s) >=2.4.8-p1 <2.4.8-p4Fix Suggestion:
Update to version 2.4.8-p4magento/community-edition (PHP):
Affected version(s) >=2.4.6-p1 <2.4.6-p14Fix Suggestion:
Update to version 2.4.6-p14magento/community-edition (PHP):
Affected version(s) >=2.4.7-p1 <2.4.7-p9Fix Suggestion:
Update to version 2.4.7-p9magento/community-edition (PHP):
Affected version(s) >=2.4.5-p1 <2.4.5-p16Fix Suggestion:
Update to version 2.4.5-p16Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
4.8
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
EPSS
Base Score:
0.07
