CVE-2026-42612

Description

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.

PUBLISHED Reserved 2026-04-29 | Published 2026-05-11 | Updated 2026-05-11 | Assigner GitHub_M

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

References

github.com/...v/grav/security/advisories/GHSA-9695-8fr9-hw5q exploit

github.com/...v/grav/security/advisories/GHSA-9695-8fr9-hw5q

github.com/...ommit/5a12f9be8314682c8713e569e330f11805d0a663

cve.org (CVE-2026-42612)

nvd.nist.gov (CVE-2026-42612)

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