CVE-2024-23179 Cross-site scripting in n/a

What is CVE-2024-23179?

CVE-2024-23179 is a medium-severity cross-site scripting vulnerability in Mediawiki Mediawiki, published on 12 Jan 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

An issue was discovered in the GlobalBlocking extension in MediaWiki before 1.40.2. For a Special:GlobalBlock?uselang=x-xss URI, i18n-based XSS can occur via the parentheses message. This affects subtitle links in buildSubtitleLinks.

Weakness: CWE-79

Which versions are affected by CVE-2024-23179?

1 open source package ship an affected version, including mediawiki. It affects 1 product.

Products include Mediawiki Mediawiki.

How do I fix CVE-2024-23179?

Upgrade mediawiki to 1.41.1 or later.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2024-23179 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-23179 exists.

Other vulnerabilities in Mediawiki Mediawiki

• CVE-2023-37303 Denial of service in n/a Critical 9.8
• CVE-2022-29904 SQL injection in n/a Critical 9.8
• CVE-2022-29906 Missing authorization in n/a Critical 9.8
• CVE-2022-28205 Business logic in n/a Critical 9.8
• CVE-2022-28206 Missing authorization in n/a Critical 9.8

All Mediawiki Mediawiki vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-mediawiki-2024-23179, GHSA-37v9-q385-wr5j.