CVE-2021-42041
6.1
MEDIUM
CVSS 3.1
EPSS 0.51%
Description
An issue was discovered in CentralAuth in MediaWiki through 1.36.2. The rightsnone MediaWiki message was not being properly sanitized and allowed for the injection and execution of HTML and JavaScript via the setchange log.
How to fix CVE-2021-42041
To remediate CVE-2021-42041, upgrade the affected package to a fixed version below.
- Bitnami/mediawiki—upgrade to 1.36.3 or later
Is CVE-2021-42041 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.36.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |