CVE-2021-41798
6.1
MEDIUM
CVSS 3.1
EPSS 0.16%
Description
MediaWiki before 1.36.2 allows XSS. Month related MediaWiki messages are not escaped before being used on the Special:Search results page.
How to fix CVE-2021-41798
To remediate CVE-2021-41798, upgrade the affected package to a fixed version below.
- Bitnami/mediawiki—upgrade to 1.36.2 or later
- Debian/mediawiki—upgrade to 1:1.35.4-1~deb11u1 or later
Is CVE-2021-41798 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.36.2
- from 0, < 1:1.35.4-1~deb11u1
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 |
References (7)
- ADVISORYsecurity-tracker.debian.org/tracker/CVE-2021-41798
- WEBlists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CJDYJQWT43GBD6GNQ4OW7JOZ6WQ6DZTN/
- WEBlists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MDBPECBWN6LWNSWIQMVXK6PP4YFEUYHA/