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

WordPress Plugin Agent Storm by StormRETS Multiple Cross-Site Scripting Vulnerabilities (1.1.35)

MySQL CVE-2022-21335 Vulnerability (CVE-2022-21335)

Apache HTTP Server Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') Vulnerability (CVE-2022-26377)

Ruby Improper Restriction of XML External Entity Reference Vulnerability (CVE-2021-28965)

WordPress Plugin Simple Instagram Feed Cross-Site Scripting (1.3)

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