CVE-2025-32700 AbuseFilter log interfaces expose global private and hidden filters when central DB is not available

Low 2.3 Published Updated

Attackers can view private and hidden filters when the central database is unavailable, exposing sensitive configuration data in MediaWiki.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2025-32700?

CVE-2025-32700 is a low-severity vulnerability in Wikimedia Foundation MediaWiki, published on 10 Apr 2025. 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

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation AbuseFilter. This vulnerability is associated with program files includes/Api/QueryAbuseLog.Php, includes/Pager/AbuseLogPager.Php, includes/Special/SpecialAbuseLog.Php, includes/View/AbuseFilterViewExamine.Php.

This issue affects AbuseFilter: from >= 1.43.0 before 1.43.1.

Weakness: CWE-200

Which versions are affected by CVE-2025-32700?

How do I fix CVE-2025-32700?

Upgrade to a fixed version.

Is CVE-2025-32700 being exploited?

There is no known exploitation of CVE-2025-32700 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2025-32700, GHSA-f562-mmxh-p76r, UBUNTU-CVE-2025-32700.

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