CVE-2021-22242
5.4
MEDIUM
CVSS 3.1
EPSS 2.3%
Description
Insufficient input sanitization in Mermaid markdown in GitLab CE/EE version 11.4 and up allows an attacker to exploit a stored cross-site scripting vulnerability via a specially-crafted markdown
How to fix CVE-2021-22242
To remediate CVE-2021-22242, upgrade the affected package to a fixed version below.
- Bitnami/gitlab—upgrade to 13.12.9 or later
Is CVE-2021-22242 being exploited?
Low — EPSS is 2.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 11.4.0, < 13.12.9, >= 14.0.0, < 14.0.7, >= 14.1.0, < 14.1.2
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 |