Vulnerability Monitor

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CVE-2021-30153

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.

Published

2023-04-15T20:16:00.570

Last Modified

2025-02-06T17:15:12.217

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.3 (MEDIUM)

Weaknesses

Type: Primary
CWE-668
Type: Secondary
CWE-668

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mediawiki	mediawiki	< 1.31.13	Yes
Application	mediawiki	mediawiki	< 1.35.2	Yes

References

https://lists.wikimedia.org/hyperkitty/list/wikitech-l%40lists.wikimedia.org/message/XYBF5RSTJRMVCP7QBYK7643W75A3KCIY/ ([email protected])
https://lists.wikimedia.org/pipermail/wikitech-l/2021-April/094418.html Mailing List, Patch, Vendor Advisory ([email protected])
https://phabricator.wikimedia.org/T270453 Exploit, Vendor Advisory ([email protected])
https://lists.wikimedia.org/hyperkitty/list/wikitech-l%40lists.wikimedia.org/message/XYBF5RSTJRMVCP7QBYK7643W75A3KCIY/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.wikimedia.org/pipermail/wikitech-l/2021-April/094418.html Mailing List, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://phabricator.wikimedia.org/T270453 Exploit, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)