CVE-2023-51704

mediawiki: group-.*-member messages are not properly escaped on Special:log/rights

Published Dec 22, 2023 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Description
An issue was discovered in MediaWiki before 1.35.14, 1.36.x through 1.39.x before 1.39.6, and 1.40.x before 1.40.2. In includes/logging/RightsLogFormatter.php, group-*-member messages can result in XSS on Special:log/rights.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DLA Debian DLA DLA-3796-1 mediawiki security update
Debian DLA Debian DLA DLA-3896-1 mediawiki security update
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Nov 4, 2025, 5:13 PM
Reserved
Dec 22, 2023, 12:00 AM
Status
Modified
Published
Dec 22, 2023, 2:15 AM
Modified
Jun 17, 2026, 6:41 AM
Severity
Moderate
Public date
Dec 22, 2023, 12:00 AM