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Vulnerability record · CVE-2022-28209 · published 30 March 2022

CVE-2022-28209: Mediawiki vulnerability

Mediawiki · Mediawiki

An issue was discovered in Mediawiki through 1.37.1. The check for the override-antispoof permission in the AntiSpoof extension is incorrect.

9.8 CVSS 3.1 Critical EPSS 1.3% · top 30.3%
9.8CVSS 3.1 base score, v2 7.5
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in Mediawiki through 1.37.1. The check for the override-antispoof permission in the AntiSpoof extension is incorrect.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://gerrit.wikimedia.org/r/q/Id8c4e2e336695ce70ccdf8a51ad729bf4a99f8f7 PatchThird Party Advisory
https://phabricator.wikimedia.org/T304126 Issue TrackingPatchVendor Advisory
https://security.gentoo.org/glsa/202305-24
https://gerrit.wikimedia.org/r/q/Id8c4e2e336695ce70ccdf8a51ad729bf4a99f8f7 PatchThird Party Advisory
https://phabricator.wikimedia.org/T304126 Issue TrackingPatchVendor Advisory
https://security.gentoo.org/glsa/202305-24

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-34502Mediawiki cross-site request forgery vulnerabilityAn issue was discovered in WikibaseLexeme in MediaWiki before 1.39.6, 1.40.x before 1.40.2, and 1.41.x before 1.41.1. Loading Special:MergeLexemes wi…EPSS 0.41%9.8CVE-2023-37303Mediawiki vulnerabilityAn issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. In certain situations, an attempt to block a user fails after a temp…EPSS 0.95%9.8CVE-2023-29141Mediawiki http request smuggling vulnerabilityAn issue was discovered in MediaWiki before 1.35.10, 1.36.x through 1.38.x before 1.38.6, and 1.39.x before 1.39.3. An auto-block can occur for an un…EPSS 1.2%9.8CVE-2022-29904Mediawiki sql injection vulnerabilityThe SemanticDrilldown extension for MediaWiki through 1.37.2 (before e688bdba6434591b5dff689a45e4d53459954773) allows SQL injection with certain '-' …EPSS 17%9.8CVE-2022-29906Mediawiki missing authorization vulnerabilityThe admin API module in the QuizGame extension for MediaWiki through 1.37.2 (before 665e33a68f6fa1167df99c0aa18ed0157cdf9f66) omits a check for the q…EPSS 1.3%9.8CVE-2022-28205Mediawiki vulnerabilityAn issue was discovered in MediaWiki through 1.37.1. The CentralAuth extension mishandles a ttl issue for groups expiring in the future.EPSS 1.5%9.8CVE-2022-28206Mediawiki vulnerabilityAn issue was discovered in MediaWiki through 1.37.1. ImportPlanValidator.php in the FileImporter extension mishandles the check for edit rights.EPSS 1.5%9.8CVE-2021-31556Mediawiki vulnerabilityAn issue was discovered in the Oauth extension for MediaWiki through 1.35.2. MWOAuthConsumerSubmitControl.php does not ensure that the length of an R…EPSS 1.6%

Source: NIST National Vulnerability Database (record CVE-2022-28209), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.