GHSA-q8cg-5m48-5c25Medium· 7.6▾ SunlitDuplicate Advisory: Grav: Stored XSS via Markdown audio/video media <source> URL
▾ Sunlit zone — Low / medium · no exploitation signal
impact 41.8 · likelihood 0 · exploitation 0
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Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via GHSA
Last analysed / modified upstream
This advisory has been withdrawn because it is a duplicate of GHSA-6qw9-4vv5-jr97. This link is maintained to preserve external references.
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.
getgrav/grav < 2.0.15Refer to the advisory for the patched release.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-75831High· 7.6Grav before 2.0.15 contains a stored cross-site scripting vulnerability in the audio and video media rendering through the sourceParsedownElement method
GHSA-993v-76jg-67xrMedium· 5.4Duplicate Advisory: Grav: Single invalid UTF-8 byte disables every rule in Security::detectXss(), bypassing the page-content XSS safety gate
GHSA-9pr6-8r9w-wvmjCritical· 8.7Duplicate Advisory: Grav: detectXss() misses an event-handler attribute after an unpaired quote in an unquoted attribute value, giving stored XSS
GHSA-cgvr-f65r-pjv3Medium· 5.4Duplicate Advisory: Grav: Stored XSS via quoted-attribute bypass in detectXss
GHSA-373m-p57p-8665Medium· 6.1Duplicate Advisory: Grav: XSS Blueprint Validation Bypass via Twig String Concatenation
CVE-2026-61453MediumGrav: XSS Blueprint Validation Bypass via Twig String Concatenation