CVE-2021-42047
5.4
MEDIUM
CVSS 3.1
EPSS 0.21%
Description
An issue was discovered in the Growth extension in MediaWiki through 1.36.2. On any Wiki with the Mentor Dashboard feature enabled, users can login with a mentor account and trigger an XSS payload (such as alert) via Growthexperiments-mentor-dashboard-mentee-overview-no-js-fallback.
How to fix CVE-2021-42047
To remediate CVE-2021-42047, upgrade the affected package to a fixed version below.
- Bitnami/mediawiki—upgrade to 1.36.3 or later
Is CVE-2021-42047 being exploited?
Low — EPSS is 0.2%, 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 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |