Stored cross-site scripting in Adobe products - CVE-2026-34658
Published: May 12, 2026
Vulnerability identifier: #VU131238
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-34658
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Adobe
Affected software:
Adobe Commerce B2B
Magento Open Source
Adobe Commerce (formerly Magento Commerce)
Adobe Commerce B2B
Magento Open Source
Adobe Commerce (formerly Magento Commerce)
Detailed vulnerability description
The disclosed vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote privileged user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
How to mitigate CVE-2026-34658
Install updates from vendor's website.