What’s Vulnerable › Vulnerabilities

CVE-2024-23178

• 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 Phonos extension in MediaWiki before 1.40.2. PhonosButton.js allows i18n-based XSS via the phonos-purge-needed-error message.

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/T349312
• https://lists.wikimedia.org/hyperkitty/list/mediawiki-announce%40lists.wikimedia.org/message/TDBUBCCOQJUT4SCHJNPHKQNPBUUETY52/
• https://phabricator.wikimedia.org/T349312

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