CVE-2022-34912

Name: CVE-2022-34912
Creator: NVD / NIST
Published: 2022-07-02T20:15:08.417+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.85%

Last modified Jun 17, 2026

CVE-2022-34912 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. An issue was discovered in MediaWiki before 1.37.3 and 1.38.x before 1.38.1. The contributions-title, used on Special:Contributions, is used as page title without escaping. EPSS estimates a 0.85% chance of exploitation in the next 30 days.

Description

An issue was discovered in MediaWiki before 1.37.3 and 1.38.x before 1.38.1. The contributions-title, used on Special:Contributions, is used as page title without escaping. Hence, in a non-default configuration where a username contains HTML entities, it won't be escaped.

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

0.85%

53.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Mediawiki	Mediawiki	< 1.37.3
Mediawiki	Mediawiki	1.38.0
Fedoraproject	Fedora	36
Fedoraproject	Fedora	37

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/7N5ZBWLNNPZKFK7Q4KEHGCJ2YELQEUJP/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DKKOQXPYLMBSEVDHFS32BPBR3ZQJKY5B/
https://phabricator.wikimedia.org/T308473Issue Tracking, 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/7N5ZBWLNNPZKFK7Q4KEHGCJ2YELQEUJP/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DKKOQXPYLMBSEVDHFS32BPBR3ZQJKY5B/
https://phabricator.wikimedia.org/T308473Issue Tracking, Vendor Advisory
https://security.gentoo.org/glsa/202305-24
https://www.debian.org/security/2022/dsa-5246Third Party Advisory

Timeline

Published: Jul 2, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-34912?

How severe is CVE-2022-34912?

CVE-2022-34912 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.85% probability of exploitation in the next 30 days.

How do I fix CVE-2022-34912?

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-2022-34912?

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

Scan your code now

Source: NVD / NIST