What’s Vulnerable › Vulnerabilities

CVE-2024-23174

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-01-12 · updated 2026-06-17
• Weakness: CWE-79

Description

An issue was discovered in the PageTriage extension 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. XSS can occur via the rev-deleted-user, pagetriage-tags-quickfilter-label, pagetriage-triage, pagetriage-filter-date-range-format-placeholder, pagetriage-filter-date-range-to, pagetriage-filter-date-range-from, pagetriage-filter-date-range-heading, pagetriage-filter-set-button, or pagetriage-filter-reset-button message.

Affected products

• Wikimedia Foundation MediaWiki: before 1.35.14; from 1.36.0 before 1.39.6; from 1.40.0 before 1.40.2 — fixed in 1.35.14, 1.39.6, 1.40.2

How to fix

Upgrade to a fixed version: Wikimedia Foundation MediaWiki 1.35.14, 1.39.6, 1.40.2. Check the vendor advisory for mitigations.

References

• https://gerrit.wikimedia.org/r/c/mediawiki/extensions/PageTriage/+/989177
• https://phabricator.wikimedia.org/T347704
• https://gerrit.wikimedia.org/r/c/mediawiki/extensions/PageTriage/+/989177
• https://phabricator.wikimedia.org/T347704

Get alerted when CVE-2024-23174 or the next vulnerability affects your stack