What’s Vulnerable › Vulnerabilities

CVE-2024-23177

• Severity: medium (CVSS 6.1 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 WatchAnalytics extension in MediaWiki before 1.40.2. XSS can occur via the Special:PageStatistics page parameter.

Affected products

• Wikimedia Foundation MediaWiki: before 1.40.2 — fixed in 1.40.2

How to fix

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

References

• https://lists.wikimedia.org/hyperkitty/list/mediawiki-announce%40lists.wikimedia.org/message/TDBUBCCOQJUT4SCHJNPHKQNPBUUETY52/
• https://phabricator.wikimedia.org/T348979
• https://lists.wikimedia.org/hyperkitty/list/mediawiki-announce%40lists.wikimedia.org/message/TDBUBCCOQJUT4SCHJNPHKQNPBUUETY52/
• https://phabricator.wikimedia.org/T348979

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