CVE-2024-47913: Improper permissions handling in MediaWiki AbuseFilter

October 5, 2024 (updated December 6, 2024)

An issue was discovered in the AbuseFilter extension for MediaWiki before 1.39.9, 1.40.x and 1.41.x before 1.41.3, and 1.42.x before 1.42.2. An API caller can match a filter condition against AbuseFilter logs even if the caller is not authorized to view the log details for the filter.

References

gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/1076855
github.com/advisories/GHSA-rmcp-9fhq-58pv
github.com/wikimedia/mediawiki-extensions-AbuseFilter
nvd.nist.gov/vuln/detail/CVE-2024-47913
phabricator.wikimedia.org/T372998

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