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MediaWiki: Missing Authorization (CVE-2021-44857)

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MediaWiki: Missing Authorization (CVE-2021-44857)

Severity
4
CVSS
(AV:N/AC:L/Au:S/C:N/I:P/A:N)
Published
12/17/2021
Created
12/28/2021
Added
12/23/2021
Modified
05/23/2023

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. It is possible to use action=mcrundo followed by action=mcrrestore to replace the content of any arbitrary page (that the user doesn't have edit rights for). This applies to any public wiki, or a private wiki that has at least one page set in $wgWhitelistRead.

Solution(s)

  • mediawiki-upgrade-1_35_5
  • mediawiki-upgrade-1_36_3
  • mediawiki-upgrade-1_37_1

References

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