CVE-2020-25813
First published: Mon Sep 21 2020(Updated: )
In MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4, Special:UserRights exposes the existence of hidden users.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/mediawiki/core | >=1.31.0<1.31.9>=1.34.0<1.34.3 | |
| debian/mediawiki | 1:1.31.16-1+deb10u2 1:1.31.16-1+deb10u6 1:1.35.11-1~deb11u1 1:1.35.13-1~deb11u1 1:1.39.4-1~deb12u1 1:1.39.5-1~deb12u1 1:1.39.5-1 | |
| composer/mediawiki/core | >=1.32.0<1.34.3 | 1.34.3 |
| composer/mediawiki/core | >=1.31.0<1.31.9 | 1.31.9 |
| Wikimedia MediaWiki | <1.31.10 | |
| Wikimedia MediaWiki | >=1.32.0<1.34.4 | |
| Fedoraproject Fedora | =33 |
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Reference Links
- https://phabricator.wikimedia.org/T232568
- https://lists.wikimedia.org/pipermail/wikitech-l/2020-September/093888.html
- https://security-tracker.debian.org/tracker/CVE-2020-25813
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6/
- https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048480.html
- https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048488.html
- https://meta.wikimedia.org/wiki/Special:UserRights
- https://nvd.nist.gov/vuln/detail/CVE-2020-25813
- https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2020-25813.yaml
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6
- https://github.com/advisories/GHSA-c4rj-wrmq-52rj (Advisory)
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6/
Frequently Asked Questions
What is the severity of CVE-2020-25813?
CVE-2020-25813 is a medium severity vulnerability that allows exposure of hidden users in MediaWiki.
How do I fix CVE-2020-25813?
To fix CVE-2020-25813, upgrade to MediaWiki versions 1.31.10, 1.34.4, or later.
Which MediaWiki versions are affected by CVE-2020-25813?
CVE-2020-25813 affects MediaWiki versions before 1.31.10 and versions between 1.32.0 and 1.34.3.
What is the impact of CVE-2020-25813 on MediaWiki installations?
CVE-2020-25813 allows unauthorized disclosure of hidden user identities, potentially compromising user privacy.
Is CVE-2020-25813 exploitable remotely?
Yes, CVE-2020-25813 can be exploited remotely by anyone with access to the affected MediaWiki installation.
- collector/friends-of-php
- collector/security-tracker-debian
- agent/type
- agent/first-publish-date
- collector/github-advisory-latest
- source/GitHub
- alias/GHSA-c4rj-wrmq-52rj
- alias/CVE-2020-25813
- agent/software-canonical-lookup
- agent/severity
- agent/description
- agent/references
- agent/author
- collector/github-advisory
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/event
- agent/trending
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup-request
- collector/nvd-index
- package-manager/composer
- package-manager/debian
- vendor/mediawiki
- canonical/wikimedia mediawiki
- version/wikimedia mediawiki/1.32.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/33