PT-2024-28940 · Mediawiki+1 · Mediawiki+1

Ashley · Published 2024-07-06 · Updated 2025-06-19 · CVE-2024-40604

Positive Technologies (AI Summary)

CVSS v3.1

4.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions MediaWiki versions through 1.42.1

Description An issue was discovered in the Nimbus skin for MediaWiki. There is Stored XSS via MediaWiki:Nimbus-sidebar menu and submenu entries.

Recommendations For versions through 1.42.1, consider disabling the Nimbus skin until a patch is available. Restrict access to the MediaWiki:Nimbus-sidebar menu and submenu entries to minimize the risk of exploitation. Avoid using the Nimbus skin for MediaWiki until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

ALT-PU-2025-5905

BIT-MEDIAWIKI-2024-40604

CVE-2024-40604

Affected Products

Alt Linux

Mediawiki

References · 9

• 🔥 https://phabricator.wikimedia.org/T361450 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2024-40604 · Security Note
• https://osv.dev/vulnerability/BIT-mediawiki-2024-40604 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2024-40604 · Vendor Advisory
• https://twitter.com/CVEnew/status/1809733872474894464 · Twitter Post
• https://t.me/cvenotify/115249 · Telegram Post
• https://t.me/cvedetector/154 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1809824940813594774 · Twitter Post
• https://t.me/cvenotify/85550 · Telegram Post