CVE-2022-28204

Name: CVE-2022-28204
Creator: NVD / NIST
Published: 2022-09-19T21:15:09.527+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.82%

Last modified Jun 17, 2026

CVE-2022-28204 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A denial-of-service issue was discovered in MediaWiki 1.37.x before 1.37.2. Rendering of w/index.php?title=Special%3AWhatLinksHere&target=Property%3AP31&namespace=1&invert=1 can take more than thirty seconds. EPSS estimates a 0.82% chance of exploitation in the next 30 days.

Description

A denial-of-service issue was discovered in MediaWiki 1.37.x before 1.37.2. Rendering of w/index.php?title=Special%3AWhatLinksHere&target=Property%3AP31&namespace=1&invert=1 can take more than thirty seconds. There is a DDoS risk.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.82%

52.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Mediawiki	Mediawiki	>= 1.37.0, < 1.37.2

References

https://phabricator.wikimedia.org/T297754Exploit, Issue Tracking, Patch, Vendor Advisory
https://phabricator.wikimedia.org/T297754Exploit, Issue Tracking, Patch, Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2022-28204?

How severe is CVE-2022-28204?

CVE-2022-28204 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.82% probability of exploitation in the next 30 days.

How do I fix CVE-2022-28204?

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-2022-28204?

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

Scan your code now

Source: NVD / NIST