CVE-2021-36131
4.8
MEDIUM
CVSS 3.1
EPSS 0.19%
Description
An XSS issue was discovered in the SportsTeams extension in MediaWiki through 1.36. Within several special pages, a privileged user could inject arbitrary HTML and JavaScript within various data fields. The attack could easily propagate across many pages for many users.
How to fix CVE-2021-36131
To remediate CVE-2021-36131, upgrade the affected package to a fixed version below.
- Bitnami/mediawiki—upgrade to 1.36.1 or later
Is CVE-2021-36131 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.36.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |