Stored XSS Vulnerability in Adobe Commerce Affects Multiple Versions
CVE-2026-21311

8HIGH

Key Information:

Vendor

Adobe
Status
Adobe Commerce
Vendor
CVE Published:
11 March 2026

What is CVE-2026-21311?

Adobe Commerce versions up to 2.4.9-alpha3 are susceptible to a stored Cross-Site Scripting (XSS) vulnerability. This flaw allows a high-privileged attacker to inject harmful JavaScript into form fields. When victims access a page containing the compromised field, the malicious script can execute in their browsers, which may lead to session hijacking and potential data breaches. To exploit this vulnerability, an attacker requires the victim to interact by navigating to the affected page.

Affected Version(s)

Adobe Commerce 0 <= 2.4.4-p16

References

https://helpx.adobe.com/security/products/magento/apsb26-...
vendor-advisory

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.