CVE-2024-34500

Description

An issue was discovered in the UnlinkedWikibase extension in MediaWiki before 1.39.6, 1.40.x before 1.40.2, and 1.41.x before 1.41.1. XSS can occur through an interface message. Error messages (in the $err var) are not escaped before being passed to Html::rawElement() in the getError() function in the Hooks class.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.11%
Vendor Advisory fedoraproject.org Vendor Advisory wikimedia.org Vendor Advisory wikimedia.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://phabricator.wikimedia.org/T357203 issue tracking vendor advisory
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/UnlinkedWikibase/+/1002175 patch vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/ third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-34500?
CVE-2024-34500 has been scored as a medium severity vulnerability.
How to fix CVE-2024-34500?
To fix CVE-2024-34500, 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-2024-34500 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-34500 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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