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MediaWiki Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2021-31545) - Vulnerability Database

MediaWiki Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2021-31545)

Description

An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. The page_recent_contributors leaked the existence of certain deleted MediaWiki usernames, related to rev_deleted.

References

CVE-2021-31545

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Severity

Medium

Classification

CVE-2021-31545
CWE-200
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Tags

Missing Update
Known Vulnerabilities