CVE-2020-35480

Name
CVE-2020-35480
Description
An issue was discovered in MediaWiki before 1.35.1. Missing users (accounts that don't exist) and hidden users (accounts that have been explicitly hidden due to being abusive, or similar) that the viewer cannot see are handled differently, exposing sensitive information about the hidden status to unprivileged viewers. This exists on various code paths.
NVD Severity
medium
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Mailing List https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html
Permissions Required https://phabricator.wikimedia.org/T120883
Mailing List https://www.debian.org/security/2020/dsa-4816
Mailing List https://lists.debian.org/debian-lts-announce/2020/12/msg00034.html
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* mediawiki >= None < 1.35.1

Vulnerable and fixed packages

Source package Branch Version Maintainer Status