CVE-2026-75831

HighCVSS 7.6/10Last modified Oct 22, 2026

Description

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.

Metrics

CVSS 3.1 7.6/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N

Weakness enumeration

CWE-79

Affected software

No affected versions have been published.

Timeline

Published: Aug 18, 2026
Last modified: Oct 22, 2026
NVD status: Deferred

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