XSS in GitLab

CVE-2019-15586

A XSS exists in Gitlab CE/EE < 12.1.10 in the Mermaid plugin.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.008 (51.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Gitlab
Gitlab Ce/ee — versions before 12.1.10

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

support@hackerone.com (Permissions Required, x_refsource_MISC)
support@hackerone.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2019-15586?: CVE-2019-15586 is a medium-severity vulnerability in GitLab, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-01-28.
How severe is CVE-2019-15586?: Medium severity. CVSS v3 base score is 6.1 out of 10.