CVE-2020-13321

8.3 highEPSS 1.4%

High (8.3) in gitlab gitlab. EPSS 1.4% chance of exploitation in the next 30 days.

A vulnerability was discovered in GitLab versions prior to 13.1. Username format restrictions could be bypassed allowing for html tags to be added.

Severity

8.3 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

EPSS: 1.4% chance of exploitation in the next 30 days; higher than 72% of CVEs (scores of 2026-10-31)
Published: 2020-09-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19