CVE-2026-75831
HighCVSS 7.6Summary
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.
Risk Assessment
An attacker can inject malicious script that executes in viewers' browsers, potentially leading to data theft, session hijacking, or malware propagation.
Recommendation
Update Grav to version 2.0.15 or later, which includes the fix.
Original NVD description (English source)
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.