XSS in Gitlab

CVE-2020-13337

An issue has been discovered in GitLab affecting versions from 12.10 to 12.10.12 that allowed for a stored XSS payload to be added as a group name.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.008 (51.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Gitlab — versions >=12.10, <12.10.13

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@gitlab.com (x_refsource_MISC, Broken Link)
cve@gitlab.com (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2020-13337?: CVE-2020-13337 is a high-severity vulnerability in Gitlab, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2020-10-02.
How severe is CVE-2020-13337?: High severity. CVSS v3 base score is 7.2 out of 10.