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.

Remediation

References

CVE-2023-45367

Related Vulnerabilities

MediaWiki Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2023-37251)

WebLogic CVE-2016-5488 Vulnerability (CVE-2016-5488)

MySQL CVE-2019-2778 Vulnerability (CVE-2019-2778)

Grafana Improper Authentication Vulnerability (CVE-2021-39226)

WordPress Plugin Clipta Video Informer Cross-Site Scripting (1.0)

Severity

Medium

Classification

CVE-2023-45367 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Tags

Missing Update Known Vulnerabilities