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. The media URL fragment is concatenated unescaped into rawHtml source elements, allowing attackers to inject arbitrary HTML and JavaScript that executes in viewers' sessions.
脆弱性の種類
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.
参考情報
- https://github.com/getgrav/grav/commit/aba291a59cab29ddce491175791888d8d0b65e20
- https://github.com/getgrav/grav/security/advisories/GHSA-6qw9-4vv5-jr97
- https://www.vulncheck.com/advisories/grav-before-stored-xss-via-audio-video-source-url
- https://github.com/getgrav/grav/security/advisories/GHSA-6qw9-4vv5-jr97