CVE-2025-61643 EventStreams publishes suppressed recent change entries that are suppressed from their creation

What is CVE-2025-61643?

CVE-2025-61643 is a low-severity vulnerability in Mediawiki Mediawiki, published on 2 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/recentchanges/RecentChangeRCFeedNotifier.Php.

This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.

Weakness: CWE-212

Which versions are affected by CVE-2025-61643?

It affects 1 product.

Products include Mediawiki Mediawiki.

How do I fix CVE-2025-61643?

Upgrade to a fixed version.

Is CVE-2025-61643 being exploited?

There is no known exploitation of CVE-2025-61643 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 DEBIAN-CVE-2025-61643, GHSA-pw42-76j9-fcp3, UBUNTU-CVE-2025-61643.