What is CVE-2020-7971?

CVE-2020-7971 is a medium-severity vulnerability in GitLab, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-02-05.

How severe is CVE-2020-7971?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in GitLab

CVE-2020-7971

GitLab EE 11.0 and later through 12.7.2 allows XSS.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-02-05 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.007 (51.1th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

GitLab

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

about.gitlab.com/blog/categories/releases/ (Release Notes, Vendor Advisory)
about.gitlab.com/releases/2020/01/30/security-release-gitlab-12-7-4-released/ (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2020-7971?: CVE-2020-7971 is a medium-severity vulnerability in GitLab, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-02-05.
How severe is CVE-2020-7971?: Medium severity. CVSS v3 base score is 6.1 out of 10.