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CVE-2023-45367

nvd nist
Published: Oct 9, 2023Modified: Jun 17, 2026

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6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability: 2.8 / Impact: 3.6
Source: NVD

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.

Affected (3)

Products: Mediawiki: Mediawiki
1 product
Mediawiki
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Mediawiki
Before 1.35.12
From 1.36.0 to 1.39.5
Version 1.40.0

References (2)

Source: cve@mitre.org
ExploitIssue TrackingVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitIssue TrackingVendor Advisory

Timeline

No history available yet.