CVE-2022-28201

Name: CVE-2022-28201
Creator: NVD / NIST
Published: 2022-09-19T21:15:09.447+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.4/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2022-28201 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. An issue was discovered in MediaWiki before 1.35.6, 1.36.x before 1.36.4, and 1.37.x before 1.37.2. Users with the editinterface permission can trigger infinite recursion, because a bare local interwiki is mishandled for the mainpage message.. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

An issue was discovered in MediaWiki before 1.35.6, 1.36.x before 1.36.4, and 1.37.x before 1.37.2. Users with the editinterface permission can trigger infinite recursion, because a bare local interwiki is mishandled for the mainpage message.

Metrics

CVSS 3.1

4.4/10

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

EPSS Probability

0.39%

31.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-674

Affected Software

Vendor	Product	Versions
Mediawiki	Mediawiki	< 1.35.6
Mediawiki	Mediawiki	>= 1.36.0, < 1.36.4
Mediawiki	Mediawiki	>= 1.37.0, < 1.37.2
Debian	Debian Linux	10.0
Debian	Debian Linux	11.0

References

https://blog.legoktm.com/2022/07/03/a-belated-writeup-of-cve-2022-28201-in-mediawiki.htmlExploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00027.htmlMailing List, Third Party Advisory
https://phabricator.wikimedia.org/T297571Patch, Vendor Advisory
https://www.debian.org/security/2022/dsa-5246Third Party Advisory
https://blog.legoktm.com/2022/07/03/a-belated-writeup-of-cve-2022-28201-in-mediawiki.htmlExploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00027.htmlMailing List, Third Party Advisory
https://phabricator.wikimedia.org/T297571Patch, Vendor Advisory
https://www.debian.org/security/2022/dsa-5246Third Party Advisory

Timeline

Published: Sep 19, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-28201?

How severe is CVE-2022-28201?

CVE-2022-28201 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2022-28201?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-28201?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST