XSS in Jenkins GitLab Hook
CVE-2020-2096
Jenkins Gitlab Hook Plugin 1.4.2 and earlier does not escape project names in the build_now endpoint, resulting in a reflected XSS vulnerability.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
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: 0.928 (99.8th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.928 · newest: 0.928 · change: 0.000
Affected products
- Jenkins GitLab Hook
- Jenkins Project GitLab Hook Plugin — versions unspecified, next of 1.4.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- jenkins.io/security/advisory/2020-01-15/ (Vendor Advisory)
- www.openwall.com/lists/oss-security/2020/01/15/1 (mailing-list, Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/155967/Jenkins-Gitlab-Hook-1.4.2-Cross-Site-Scrip… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-2096?
- CVE-2020-2096 is a medium-severity vulnerability in Jenkins GitLab Hook, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-01-15.
- How severe is CVE-2020-2096?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2020-2096 known to be exploited?
- 14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.