CVE-2020-13321
CVSS v3
8.3
HIGH
EPSS Score
1.4 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A vulnerability was discovered in GitLab versions prior to 13.1. Username format restrictions could be bypassed allowing for html tags to be added.
Technical details
- Published
- 2020-09-30
Frequently asked questions
What is CVE-2020-13321?
A vulnerability was discovered in GitLab versions prior to 13.1. Username format restrictions could be bypassed allowing for html tags to be added.
Is CVE-2020-13321 actively exploited?
Active exploitation of CVE-2020-13321 has not been confirmed. Its EPSS score was 1.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-13321?
CVE-2020-13321 has a CVSS v3 base score of 8.3 (HIGH severity).
Is CVE-2020-13321 affecting your environment?
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