CVE-2023-37300

Public Exploit

Description

An issue was discovered in the CheckUserLog API in the CheckUser extension for MediaWiki through 1.39.3. There is incorrect access control for visibility of hidden users.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.15%
Vendor Advisory wikimedia.org Vendor Advisory wikimedia.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://phabricator.wikimedia.org/T330968 patch vendor advisory exploit
https://gerrit.wikimedia.org/r/q/I993fdcae1fedb7dd543b35a477026bc727615b0a vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-37300?
CVE-2023-37300 has been scored as a medium severity vulnerability.
How to fix CVE-2023-37300?
To fix CVE-2023-37300, 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-2023-37300 being actively exploited in the wild?
It is possible that CVE-2023-37300 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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