CVE-2021-46146
5.4
MEDIUM
CVSS 3.1
EPSS 0.16%
Description
An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. The WikibaseMediaInfo component is vulnerable to XSS via the caption fields for a given media file.
How to fix CVE-2021-46146
To remediate CVE-2021-46146, upgrade the affected package to a fixed version below.
- Bitnami/mediawiki—upgrade to 1.35.5 or later
Is CVE-2021-46146 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.35.5, >= 1.36.0, < 1.36.3, >= 1.37.0, < 1.37.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |