CVE-2026-42612

Summary

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a stored Cross-Site Scripting (XSS) vulnerability in getgrav/grav allows publisher-level accounts to execute arbitrary JavaScript. The issue arises from a blacklist bypass in the detectXss() function when handling unquoted HTML event attributes. This vulnerability is fixed in 2.0.0-beta.2.

Impact & exploitability

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

Affected products we track (1)

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Official patch: https://github.com/getgrav/grav/commit/5a12f9be8314682c8713e569e330f11805d0a663 ↗

Additional information

• NVD record
• https://github.com/getgrav/grav/commit/5a12f9be8314682c8713e569e330f11805d0a663Patch
• https://github.com/getgrav/grav/security/advisories/GHSA-9695-8fr9-hw5qPatch