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. By using an action=rollback query, attackers can view private wiki contents.
https://www.mediawiki.org/wiki/2021-12_security_release/FAQ
https://security.gentoo.org/glsa/202305-24
https://phabricator.wikimedia.org/T297574
Source: Mitre, NVD
Published: 2021-12-17
Updated: 2023-05-21
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 5.3
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N