CVE-2021-45473
6.1
MEDIUM
CVSS 3.1
EPSS 0.33%
Description
In MediaWiki through 1.37, Wikibase item descriptions allow XSS, which is triggered upon a visit to an action=info URL (aka a page-information sidebar).
How to fix CVE-2021-45473
To remediate CVE-2021-45473, upgrade the affected package to a fixed version below.
- Bitnami/mediawiki—upgrade to 1.3.8 or later
Is CVE-2021-45473 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.3.8
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 |