CVE-2023-45367
6.5
MEDIUM
CVSS 3.1
EPSS 0.14%
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.
How to fix CVE-2023-45367
To remediate CVE-2023-45367, upgrade the affected package to a fixed version below.
- Bitnami/mediawiki—upgrade to 1.35.12 or later
Is CVE-2023-45367 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.35.12, >= 1.36.0, < 1.39.5, >= 1.40.0, < 1.40.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |