UBUNTU-CVE-2021-44856

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...

The vulnerability of the Special:ChangeContentModel function in the software for implementing a hypertext environment like MediaWiki allows a perpetrator to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the Special:ChangeContentModel function in the MediaWiki software, which is used to implement the hypertext environment, is related to security configuration errors. Exploiting this vulnerability could allow a malicious actor to compromise the confidentiality, integrity, and...