CVE-2023-51704 Cross-site scripting in n/a

What is CVE-2023-51704?

CVE-2023-51704 is a medium-severity cross-site scripting vulnerability in Mediawiki Mediawiki, published on 22 Dec 2023. 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 MediaWiki before 1.35.14, 1.36.x through 1.39.x before 1.39.6, and 1.40.x before 1.40.2. In includes/logging/RightsLogFormatter.php, group-*-member messages can result in XSS on Special:log/rights.

Weakness: CWE-79

Which versions are affected by CVE-2023-51704?

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

Products include Mediawiki Mediawiki.

How do I fix CVE-2023-51704?

Upgrade mediawiki to a fixed version for your release line: 1.35.14, 1.39.6 or 1.40.2.

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-2023-51704 being exploited?

There is no known exploitation of CVE-2023-51704 in the wild and no public exploit code.

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-2023-51704, DEBIAN-CVE-2023-51704, DLA-3896-1, GHSA-pmh9-hwq5-vvpj, UBUNTU-CVE-2023-51704.