What is CVE-2023-2200?

CVE-2023-2200 is a medium-severity vulnerability in GitLab, classified under Improper Encoding or Escaping of Output. CVSS score: 4.1/10. Published 2023-07-13.

How severe is CVE-2023-2200?

Medium severity. CVSS v3 base score is 4.1 out of 10.

XSS in GitLab

CVE-2023-2200

An issue has been discovered in GitLab CE/EE affecting all versions starting from 7.14 before 15.11.10, all versions starting from 16.0 before 16.0.6, all versions starting from 16.1 before 16.1.1, which allows an attacker to inject HTML in an email address field.

Published 2023-07-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (37.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

GitLab — versions 7.14, 16.0, 16.1

Weakness classification (CWE)

References

gitlab.com/gitlab-org/gitlab/-/issues/408281 (issue-tracking, Broken Link, Vendor Advisory)
hackerone.com/reports/1935628 (technical-description, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2023-2200?: CVE-2023-2200 is a medium-severity vulnerability in GitLab, classified under Improper Encoding or Escaping of Output. CVSS score: 4.1/10. Published 2023-07-13.
How severe is CVE-2023-2200?: Medium severity. CVSS v3 base score is 4.1 out of 10.