XSS in GitLab
CVE-2018-9243
GitLab Community and Enterprise Editions version 8.4 up to 10.4 are vulnerable to XSS because a lack of input validation in the merge request component leads to cross site scripting (specifically, filenames in changes tabs of merge requests). This is fixed in 10.6.3, 10.5.7, and 10.4.7.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.010 (60.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: -0.000
Affected products
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab-ce/issues/42028 (Exploit, Vendor Advisory)
- about.gitlab.com/2018/04/04/security-release-gitlab-10-dot-6-dot-3-released/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-9243?
- CVE-2018-9243 is a medium-severity vulnerability in GitLab, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-04-05.
- How severe is CVE-2018-9243?
- Medium severity. CVSS v3 base score is 6.1 out of 10.