CVE-2021-44856

Description

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. A title blocked by AbuseFilter can be created via Special:ChangeContentModel due to the mishandling of the EditFilterMergedContent hook return value.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.11%
Vendor Advisory wikimedia.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://phabricator.wikimedia.org/T271037 issue tracking patch vendor advisory
https://security.gentoo.org/glsa/202305-24

Frequently Asked Questions

What is the severity of CVE-2021-44856?
CVE-2021-44856 has been scored as a medium severity vulnerability.
How to fix CVE-2021-44856?
To fix CVE-2021-44856, 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-2021-44856 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-44856 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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