XSS in Adobe Commerce
CVE-2026-21361
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.004 (36.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N.
Affected products
- Adobe Commerce — versions 0
- Adobe Commerce — versions 2.4.4, 2.4.5, 2.4.6
- Adobe Commerce_b2b — versions 1.3.3, 1.3.4, 1.3.5
- Adobe Magento — versions 2.4.5, 2.4.6, 2.4.7
Weakness classification (CWE)
References
- psirt@adobe.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-21361?
- CVE-2026-21361 is a high-severity vulnerability in Adobe Commerce, classified under Cross-site Scripting. CVSS score: 8.1/10. Published 2026-03-11.
- How severe is CVE-2026-21361?
- High severity. CVSS v3 base score is 8.1 out of 10.