CVE-2026-75831

EUVD-2026-60595
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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
7.6 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
getgravgrav
𝑥
< 2.0.15
CNA
Common Weakness Enumeration
References
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