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CVE-2021-31547

CVE-2021-31547

EPSS 0.9%
An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. Its AbuseFilterCheckMatch API reveals suppressed edits and usernames to unprivileged users through the iteration of crafted AbuseFilter rules.
Affected products
n/a · n/a

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References
https://gerrit.wikimedia.org/r/q/I3f7dbd8b873d411e37c8c3aac2339bf5ec36907dhttps://gerrit.wikimedia.org/r/q/I4900b1be73323599d74e3164447f81eded094d75https://phabricator.wikimedia.org/T223654