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Mediawiki

467 known vulnerabilities

24
CRITICAL
70
HIGH
225
MEDIUM
7
LOW

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mediawiki 295 cargo 10 checkuser 7 visual editor 3 abusefilter 3 mobilefrontend 2 score 1 matomo 1 wikisource category browser 1 semantic drilldown 1
326 CVEs · Page 5/7
7.5
CVE-2021-31555

An issue was discovered in the Oauth extension for MediaWiki through 1.35.2. It did not validate the oarc_version (aka o

5.4
CVE-2021-31554

An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. It improperly handled account blocks

6.5
CVE-2021-31553

An issue was discovered in the CheckUser extension for MediaWiki through 1.35.2. MediaWiki usernames with trailing white

5.4
CVE-2021-31552

An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. It incorrectly executed certain rules

6.1
CVE-2021-31551

An issue was discovered in the PageForms extension for MediaWiki through 1.35.2. Crafted payloads for Token-related quer

5.4
CVE-2021-31550

An issue was discovered in the CommentBox extension for MediaWiki through 1.35.2. Via crafted configuration variables, a

4.3
CVE-2021-31549

An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. The Special:AbuseFilter/examine form

6.5
CVE-2021-31548

An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. A MediaWiki user who is partially blo

4.3
CVE-2021-31547

An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. Its AbuseFilterCheckMatch API reveals

4.3
CVE-2021-31546

An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. It incorrectly logged sensitive suppr

5.3
CVE-2021-31545

An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. The page_recent_contributors leaked t

4.3
CVE-2021-30159

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Users can bypass intended r

4.3
CVE-2021-30156

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Special:Contributions can l

4.3
CVE-2021-30155

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. ContentModelChange does not

4.3
CVE-2021-30152

An issue was discovered in MediaWiki before 1.31.13 and 1.32.x through 1.35.x before 1.35.2. When using the MediaWiki AP

5.3
CVE-2021-30158

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Blocked users are unable to

6.1
CVE-2021-30157

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. On ChangesList special page

6.1
CVE-2021-30154

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. On Special:NewFiles, all th

7.5
CVE-2020-29005

The API in the Push extension for MediaWiki through 1.35 used cleartext for ApiPush credentials, allowing for potential

8.8
CVE-2020-29004

The API in the Push extension for MediaWiki through 1.35 did not require an edit token in ApiPushBase.php and therefore

8.8
CVE-2020-35626

An issue was discovered in the PushToWatch extension for MediaWiki through 1.35.1. The primary form did not implement an

8.8
CVE-2020-35625

An issue was discovered in the Widgets extension for MediaWiki through 1.35.1. Any user with the ability to edit pages w

5.3
CVE-2020-35624

An issue was discovered in the SecurePoll extension for MediaWiki through 1.35.1. The non-admin vote list contains a ful

7.5
CVE-2020-35623

An issue was discovered in the CasAuth extension for MediaWiki through 1.35.1. Due to improper username validation, it a

6.1
CVE-2020-35622

An issue was discovered in the GlobalUsage extension for MediaWiki through 1.35.1. SpecialGlobalUsage.php calls WikiMap:

5.3
CVE-2020-35480

An issue was discovered in MediaWiki before 1.35.1. Missing users (accounts that don't exist) and hidden users (accounts

6.1
CVE-2020-35479

MediaWiki before 1.35.1 allows XSS via BlockLogFormatter.php. Language::translateBlockExpiry itself does not escape in a

6.1
CVE-2020-35478

MediaWiki before 1.35.1 allows XSS via BlockLogFormatter.php. MediaWiki:blanknamespace potentially can be output as raw

5.3
CVE-2020-35477

MediaWiki before 1.35.1 blocks legitimate attempts to hide log entries in some situations. If one sets MediaWiki:Mainpag

7.5
CVE-2020-35475

In MediaWiki before 1.35.1, the messages userrights-expiry-current and userrights-expiry-none can contain raw HTML. XSS

6.1
CVE-2020-35474

In MediaWiki before 1.35.1, the combination of Html::rawElement and Message::text leads to XSS because the definition of

5.4
CVE-2020-29003

The PollNY extension for MediaWiki through 1.35 allows XSS via an answer option for a poll question, entered during Spec

4.8
CVE-2020-29002

includes/CologneBlueTemplate.php in the CologneBlue skin for MediaWiki through 1.35 allows XSS via a qbfind message supp

5.4
CVE-2020-27957

The RandomGameUnit extension for MediaWiki through 1.35 was not properly escaping various title-related data. When certa

4.3
CVE-2020-27621

The FileImporter extension in MediaWiki through 1.35.0 was not properly attributing various user actions to a specific u

6.1
CVE-2020-27620

The Cosmos Skin for MediaWiki through 1.35.0 has stored XSS because MediaWiki messages were not being properly escaped.

7.5
CVE-2020-26121

An issue was discovered in the FileImporter extension for MediaWiki before 1.34.4. An attacker can import a file even wh

6.1
CVE-2020-26120

XSS exists in the MobileFrontend extension for MediaWiki before 1.34.4 because section.line is mishandled during regex s

7.5
CVE-2020-25869

An information leak was discovered in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4. Handling of acto

6.1
CVE-2020-25828

An issue was discovered in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4. The non-jqueryMsg version o

7.5
CVE-2020-25827

An issue was discovered in the OATHAuth extension in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4. F

6.1
CVE-2020-25815

An issue was discovered in MediaWiki 1.32.x through 1.34.x before 1.34.4. LogEventList::getFiltersDesc is insecurely usi

6.1
CVE-2020-25814

In MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4, XSS related to jQuery can occur. The attacker creat

5.3
CVE-2020-25813

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

6.1
CVE-2020-25812

An issue was discovered in MediaWiki 1.34.x before 1.34.4. On Special:Contributions, the NS filter uses unescaped messag

3.1
CVE-2020-15005

In MediaWiki before 1.31.8, 1.32.x and 1.33.x before 1.33.4, and 1.34.x before 1.34.2, private wikis behind a caching se

6.1
CVE-2020-10959

resources/src/mediawiki.page.ready/ready.js in MediaWiki before 1.35 allows remote attackers to force a logout and exter

7.5
CVE-2020-12051

The CentralAuth extension through REL1_34 for MediaWiki allows remote attackers to obtain sensitive hidden account infor

5.3
CVE-2020-10960

In MediaWiki before 1.34.1, users can add various Cascading Style Sheets (CSS) classes (which can affect what content is

7.5
CVE-2019-16528

An issue was discovered in the AbuseFilter extension for MediaWiki. includes/special/SpecialAbuseLog.php allows attacker

Frequently Asked Questions

How many CVEs affect Mediawiki?

Mediawiki has 467 CVE records in our database, including 26 critical and 83 high severity vulnerabilities.

What are the most severe Mediawiki vulnerabilities?

Mediawiki has 26 critical severity (CVSS 9.0+) and 83 high severity (CVSS 7.0-8.9) vulnerabilities. Review the list above sorted by publication date to find the most recent high-severity issues.

How can I scan for Mediawiki vulnerabilities?

CyberStrike's AI-powered security agents automatically detect vulnerabilities in Mediawiki products across your infrastructure. The platform provides continuous pentesting, DAST scanning, and real-time vulnerability monitoring with actionable remediation guidance.

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