CVE-2023-3500
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
6.1
MEDIUM
CVSS 3.1
EPSS 0.42%
Description
An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.0 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A reflected XSS was possible when creating specific PlantUML diagrams that allowed the attacker to perform arbitrary actions on behalf of victims.
How to fix CVE-2023-3500
To remediate CVE-2023-3500, upgrade the affected package to a fixed version below.
- —upgrade to 16.0.8 or later
Is CVE-2023-3500 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 10.0.0, < 16.0.8, >= 16.1.0, < 16.1.3, >= 16.2.0, < 16.2.2
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 |