PT-2026-76931

CVE-2026-75831

Published

2026-08-18

Updated

2026-10-22

Description by

CVSS 3.1

7.6

High

MetricsAV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N

Name of the Vulnerable Software and Affected Versions Grav versions prior to 2.0.15

Description Stored cross-site scripting occurs during the rendering of audio and video media via the sourceParsedownElement() function. The issue arises because the media URL fragment is concatenated without being escaped into rawHtml source elements, which allows attackers to inject arbitrary HTML and JavaScript that executes within the sessions of users viewing the content.

Recommendations Update Grav to version 2.0.15 or later.

Exploitability

Exploit

Fix

Impacts

Researchers

Alimony

Vendors

Affected products

Weakness enumeration

CWE-79: Improper Neutralization of Input During Web Page Generation (\'Cross-site Scripting\')

Related identifiers