CVE-2024-34507

Public Exploit

Description

An issue was discovered in includes/CommentFormatter/CommentParser.php in MediaWiki before 1.39.7, 1.40.x before 1.40.3, and 1.41.x before 1.41.1. XSS can occur because of mishandling of the 0x1b character, as demonstrated by Special:RecentChanges#%1b0000000.

Category

7.4
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.16%
Vendor Advisory fedoraproject.org Vendor Advisory wikimedia.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://phabricator.wikimedia.org/T355538 exploit vendor advisory issue tracking
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-2024-34507?
CVE-2024-34507 has been scored as a high severity vulnerability.
How to fix CVE-2024-34507?
To fix CVE-2024-34507, 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-2024-34507 being actively exploited in the wild?
It is possible that CVE-2024-34507 is being exploited or will be exploited in a near future based on public information. 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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