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MediaWiki Improper Check for Unusual or Exceptional Conditions Vulnerability (CVE-2021-44856) - Vulnerability Database

MediaWiki Improper Check for Unusual or Exceptional Conditions Vulnerability (CVE-2021-44856)

Description

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. A title blocked by AbuseFilter can be created via Special:ChangeContentModel due to the mishandling of the EditFilterMergedContent hook return value.

References

CVE-2021-44856

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Severity

Medium

Classification

CVE-2021-44856
CWE-754
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Tags

Missing Update
Known Vulnerabilities