CVE-2023-45362

Public Exploit

Description

An issue was discovered in DifferenceEngine.php in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. diff-multi-sameuser (aka "X intermediate revisions by the same user not shown") ignores username suppression. This is an information leak.

4.3

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.28%

Vendor Advisory fedoraproject.org Vendor Advisory wikimedia.org

Affected: n/a n/a

References

Link	Tags
https://phabricator.wikimedia.org/T341529	patch exploit vendor advisory issue tracking
https://lists.debian.org/debian-lts-announce/2023/11/msg00027.html	mailing list
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-45362?: CVE-2023-45362 has been scored as a medium severity vulnerability.
How to fix CVE-2023-45362?: To fix CVE-2023-45362, 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-2023-45362 being actively exploited in the wild?: It is possible that CVE-2023-45362 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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