Stored XSS Vulnerability in Adobe Commerce Products
CVE-2026-34686

8.7HIGH

Key Information:

Vendor

Adobe
Status
Adobe Commerce
Adobe Commerce B2b
Magento Open Source
Vendor
CVE Published:
12 May 2026

What is CVE-2026-34686?

Adobe Commerce is affected by a stored Cross-Site Scripting (XSS) vulnerability across several versions. This flaw allows low-privileged attackers to inject malicious scripts into vulnerable form fields. When a victim accesses a page with the compromised field, the malicious JavaScript can execute in their browser, potentially leading to unauthorized access or control over the user's account or session.

Affected Version(s)

Adobe Commerce 0 <= 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14, 2.4.5-p16, 2.4.4-p17

Adobe Commerce B2B 0 <= 1.5.3-beta1, 1.5.2-p4, 1.4.2-p9, 1.3.4-p16, 1.3.3-p17

Magento Open Source 0 <= 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14

References

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

CVSS V3.1

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.