VIR Vulnerability Intelligence Relay

CVE-2026-42841

medium
Published 2026-05-05 · Modified 2026-05-13
CVSS v3
4.8
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVSS v2
—
VIR risk
4.8

Description

Grav CMS vulnerable to stored XSS via Markdown media attribute() action

Predictions

Exploit likelihood
58%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: security-advisories@github.com — https://github.com/getgrav/grav/security/advisories/GHSA-r7fx-8g49-7hhr

vendor Authored 2026-05-27

Vendor advisory: security-advisories@github.com — https://github.com/getgrav/grav/commit/5a12f9be8314682c8713e569e330f11805d0a663

Package impact
EcosystemPackageVulnerableFixed
php Packagistgetgrav/grav<2.0.0-beta.22.0.0-beta.2
php COMPOSERgetgrav/grav< 2.0.0-beta.22.0.0-beta.2

Application impact
VendorProductVersionsFixed
getgravgrav{"endIncluding":"1.8.0"}
getgravgrav2.0.0

References

CWEs

CWE-79

Verify integrity in audit chain (admin only). AS-IS.