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VULNERABILITIES

CVE-2023-45367 Details

Description

An issue was discovered in the CheckUser extension for MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. A user can use a rest.php/checkuser/v0/useragent-clienthints/revision/ URL to store an arbitrary number of rows in cu_useragent_clienthints, leading to a denial of service.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://phabricator.wikimedia.org/T344923 CVEExploitIssue TrackingVendor Advisory
https://phabricator.wikimedia.org/T344923 [email protected]ExploitIssue TrackingVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
NVD-CWE-noinfoInsufficient Information to Classify Weakness[email protected]

Affected Products

ProductVersions
mediawiki mediawiki
< 1.35.12
>= 1.36.0, < 1.39.5
1.40.0 -

CPE

  • cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
  • cpe:2.3:a:mediawiki:mediawiki:1.40.0:-:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2023-45367
NVD Published Date:
Oct 9, 2023
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2023-45367 Details - Not Deferred