CVE-2022-34912

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.

6.1

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.18%

Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory wikimedia.org

Affected: n/a n/a

References

Link	Tags
https://phabricator.wikimedia.org/T308473	issue tracking vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7N5ZBWLNNPZKFK7Q4KEHGCJ2YELQEUJP/	vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DKKOQXPYLMBSEVDHFS32BPBR3ZQJKY5B/	vendor advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00027.html	third party advisory mailing list
https://www.debian.org/security/2022/dsa-5246	third party advisory vendor advisory
https://security.gentoo.org/glsa/202305-24	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-34912?: CVE-2022-34912 has been scored as a medium severity vulnerability.
How to fix CVE-2022-34912?: To fix CVE-2022-34912, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-34912 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-34912 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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