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MediaWiki: Exposure of Resource to Wrong Sphere (CVE-2021-30153)

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MediaWiki: Exposure of Resource to Wrong Sphere (CVE-2021-30153)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
04/15/2023
Created
05/05/2023
Added
04/27/2023
Modified
11/08/2023

Description

An issue was discovered in the VisualEditor extension in MediaWiki before 1.31.13, and 1.32.x through 1.35.x before 1.35.2. . When using VisualEditor to edit a MediaWiki user page belonging to an existing, but hidden, user, VisualEditor will disclose that the user exists. (It shouldn't because they are hidden.) This is related to ApiVisualEditor.

Solution(s)

  • mediawiki-upgrade-1_31_13
  • mediawiki-upgrade-1_35_2

References

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