What is CVE-2018-14606?

CVE-2018-14606 is a medium-severity vulnerability in GitLab, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-07-27.

How severe is CVE-2018-14606?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in GitLab

CVE-2018-14606

An issue was discovered in GitLab Community and Enterprise Edition before 10.8.7, 11.0.x before 11.0.5, and 11.1.x before 11.1.2. XSS can occur via a Milestone name during a promotion.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-07-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (54.3th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

GitLab

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

gitlab.com/gitlab-org/gitlab-ce/issues/48617 (Exploit, Vendor Advisory)
about.gitlab.com/2018/07/26/security-release-gitlab-11-dot-1-dot-2-released/ (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2018-14606?: CVE-2018-14606 is a medium-severity vulnerability in GitLab, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-07-27.
How severe is CVE-2018-14606?: Medium severity. CVSS v3 base score is 5.4 out of 10.