CVE-2019-18612
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.
Date published : 2019-10-29
https://gerrit.wikimedia.org/r/q/Ie23e8234ae550273bf3f6f9c5ac45b7fc54eec2a