high7.6
CVE-2026-75831
Grav before 2.0.15 contains a stored cross-site scripting vulnerability in the audio and video media rendering through the sourceParsedownElement method.
Impact
Grav before 2.0.15 contains a stored cross-site scripting vulnerability in the audio and video media rendering through the sourceParsedownElement method. The media URL fragment is concatenated unescaped into rawHtml source elements, allowing attackers to inject arbitrary HTML and JavaScript that executes in viewers' sessions.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| composer | getgrav/grav | <= 2.0.14 | 2.0.15 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-6qw9-4vv5-jr97
- https://github.com/getgrav/grav/security/advisories/GHSA-6qw9-4vv5-jr97
- https://nvd.nist.gov/vuln/detail/CVE-2026-75831
- https://github.com/getgrav/grav/commit/aba291a59cab29ddce491175791888d8d0b65e20
- https://www.vulncheck.com/advisories/grav-before-stored-xss-via-audio-video-source-url