CVE-2022-28202

Name: CVE-2022-28202
Creator: NVD / NIST
Published: 2022-03-30T06:15:06.98+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.15%

Last modified Jun 17, 2026

CVE-2022-28202 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. An XSS issue was discovered in MediaWiki before 1.35.6, 1.36.x before 1.36.4, and 1.37.x before 1.37.2. The widthheight, widthheightpage, and nbytes properties of messages are not escaped when used in galleries or Special:RevisionDelete.. EPSS estimates a 1.15% chance of exploitation in the next 30 days.

Description

An XSS issue was discovered in MediaWiki before 1.35.6, 1.36.x before 1.36.4, and 1.37.x before 1.37.2. The widthheight, widthheightpage, and nbytes properties of messages are not escaped when used in galleries or Special:RevisionDelete.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

1.15%

62.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

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
Fedoraproject	Fedora	36
Debian	Debian Linux	10.0

References

https://lists.debian.org/debian-lts-announce/2022/09/msg00027.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PT4CHJKOQOVMI65TSNZRNV6FIWU7SGZD/
https://phabricator.wikimedia.org/T297543Issue Tracking, Patch, Vendor Advisory
https://security.gentoo.org/glsa/202305-24
https://www.debian.org/security/2022/dsa-5246Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00027.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PT4CHJKOQOVMI65TSNZRNV6FIWU7SGZD/
https://phabricator.wikimedia.org/T297543Issue Tracking, Patch, Vendor Advisory
https://security.gentoo.org/glsa/202305-24
https://www.debian.org/security/2022/dsa-5246Third Party Advisory

Timeline

Published: Mar 30, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-28202?

How severe is CVE-2022-28202?

CVE-2022-28202 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.15% probability of exploitation in the next 30 days.

How do I fix CVE-2022-28202?

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-2022-28202?

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

Scan your code now

Source: NVD / NIST