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Vulnerability record · CVE-2022-28206 · published 30 March 2022

CVE-2022-28206: Mediawiki vulnerability

Mediawiki · Mediawiki

An issue was discovered in MediaWiki through 1.37.1. ImportPlanValidator.php in the FileImporter extension mishandles the check for edit rights.

9.8 CVSS 3.1 Critical EPSS 1.5% · top 27.5%
9.8CVSS 3.1 base score, v2 7.5
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An issue was discovered in MediaWiki through 1.37.1. ImportPlanValidator.php in the FileImporter extension mishandles the check for edit rights.

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/I84be9cd3639b8ab0e037a4ec2d3f2f478f0989c5 PatchThird Party Advisory
https://phabricator.wikimedia.org/T294256 ExploitIssue TrackingVendor Advisory
https://security.gentoo.org/glsa/202305-24
https://gerrit.wikimedia.org/r/q/I84be9cd3639b8ab0e037a4ec2d3f2f478f0989c5 PatchThird Party Advisory
https://phabricator.wikimedia.org/T294256 ExploitIssue TrackingVendor 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-2022-28209Mediawiki vulnerabilityAn issue was discovered in Mediawiki through 1.37.1. The check for the override-antispoof permission in the AntiSpoof extension is incorrect.EPSS 1.3%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-2022-28206), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.