Vulnerability details

CVE-2026-21311

Adobe CommerceAdobe Commerce B2BAdobe Magento Open Source

Adobe Commerce | Cross-site Scripting (Stored XSS) (CWE-79)

CVSS 3.1
8.0High

Official description

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. 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.

CVSS scores

ScoreVersionSourceVector
8.0High 3.1 CVEProject cvelistV5 (CNA) (adobe) CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N

Affected products

VendorProductVersionsSource
Adobe Adobe Commerce v ≤ 2.4.9-alpha3, 2.4.8-p3, 2.4.7-p8, 2.4.6-p13, 2.4.5-p15, 2.4.4-p16 CVEProject cvelistV5 (CNA)
Adobe Adobe Commerce B2B v ≤ 1.5.3-alpha3, 1.5.2-p3, 1.4.2-p8, 1.3.5-p13, 1.3.4-p15, 1.3.3-p16 CVEProject cvelistV5 (CNA)
Adobe Magento Open Source v ≤ 2.4.9-alpha3, 2.4.8-p3, 2.4.7-p8, 2.4.6-p13, 2.4.5-p15 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-03-11
Last updated
2026-08-28
State
Published
Assigner (CNA)
adobe

Exploit prediction (EPSS)

0.35%
Probability of exploitation in 30 days
29.3%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-79
    Cross-site Scripting (Stored XSS) (CWE-79)