CVE-2023-36675

Public Exploit

Description

An issue was discovered in MediaWiki before 1.35.11, 1.36.x through 1.38.x before 1.38.7, and 1.39.x before 1.39.4. BlockLogFormatter.php in BlockLogFormatter allows XSS in the partial blocks feature.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.69% Top 30%
Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory mediawiki.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://phabricator.wikimedia.org/T332889 issue tracking exploit
https://www.mediawiki.org/wiki/Release_notes/1.40#Other_changes_in_1.40 vendor advisory
https://www.debian.org/security/2023/dsa-5447 third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DOAXEGYBOEM4JWB4J3BDH73NK2LCYC3O/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2UIVGYECQGTUC2LLPVCZBPDLCTOHL2F6/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6CHRX6DSLAMVXCV2YMJEWOLTBEYSESE5/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-36675?
CVE-2023-36675 has been scored as a medium severity vulnerability.
How to fix CVE-2023-36675?
To fix CVE-2023-36675, 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-2023-36675 being actively exploited in the wild?
It is possible that CVE-2023-36675 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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