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CVE-2020-35480
Published: Dec 18, 2020
Modified: Aug 4, 2024
PUBLISHED
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.
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
References
https://phabricator.wikimedia.org/T120883
x_refsource_MISC
DSA-4816
vendor-advisory
x_refsource_DEBIAN
[debian-lts-announce] 20201223 [SECURITY] [DLA 2504-1] mediawiki security update
mailing-list
x_refsource_MLIST
FEDORA-2020-0be2d40e13
vendor-advisory
x_refsource_FEDORA
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