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Improper Check for Unusual or Exceptional Conditions

CVE-2021-44856

Medium
5.3/10

Summary

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.

  • LOW
  • NETWORK
  • LOW
  • UNCHANGED
  • NONE
  • NONE
  • NONE
  • NONE

CWE-754 - Improper Check for Unusual or Exceptional Conditions

The software does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the software.

References

Advisory Timeline

  • Published