Vulnerability · Published Mar 11, 2026 · Assigned by adobe
CVE-2026-21311Adobe Commerce | Cross-site Scripting (Stored XSS) (CWE-79)
High 8.0
In plain English
A high-severity cross-site scripting in Adobe Commerce from Adobe. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 29% of all known vulnerabilities).
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Adobe | Adobe Commerce | 0 – through 2.4.9-alpha3, 2.4.8-p3, 2.4.7-p8, 2.4.6-p13, 2.4.5-p15, 2.4.4-p16 |
| Adobe | Adobe Commerce B2B | 0 – through 1.5.3-alpha3, 1.5.2-p3, 1.4.2-p8, 1.3.5-p13, 1.3.4-p15, 1.3.3-p16 |
| Adobe | Magento Open Source | 0 – through 2.4.9-alpha3, 2.4.8-p3, 2.4.7-p8, 2.4.6-p13, 2.4.5-p15 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
References
- https://helpx.adobe.com/security/products/magento/apsb26-05.html vendor-advisory