CVE-2019-18612

MEDIUM 5.3CVE-2019-18612 · Published 29/10/2019 · updated 17/06/2026

In short

CVE-2019-18612 is a MEDIUM (CVSS 5.3) vulnerability affecting abusefilter (mediawiki).
Chance of exploitation in the next 30 days (EPSS): 0.93%, higher than 60.6% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
abusefilter mediawiki	`≤ 1.34`	No fix yet

Description

An issue was discovered in the AbuseFilter extension through 1.34 for MediaWiki. Previously hidden (restricted) AbuseFilter filters were viewable (or their differences were viewable) to unprivileged users, thus disclosing potentially sensitive information.

References

gerrit.wikimedia.org/r/q/Ie23e8234ae550273bf3f6f9c5ac45b7fc54eec2a · Patch
phabricator.wikimedia.org/T104807 · Patch

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