CVE-2020-2096 json
Reflected XSS vulnerability in Jenkins gitlab-hook Plugin
published 2020-01-15 6 y ago modified 2026-06-17 4 mo ago also GHSA-8696-836p-c8qp , EUVD-2022-3120
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 93.2%
- EPSS 93.2% chance of exploitation in 30 days, percentile 99.8%
- public exploits
- 1
- Exploit-DB, plus a Nuclei check
Summary
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.
Timeline
- Published
- First public exploit (EDB-47927)
Exploit prediction
93.21% chance of exploitation in the next 30 days, higher than 99.8% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-47927 Jenkins Gitlab Hook Plugin 1.4.2 - Reflected Cross-Site Scripting webapps, 2020-01-16
- Nuclei template Jenkins Gitlab Hook <=1.4.2 - Cross-Site Scripting nuclei detection template
- packetstormsecurity.com http://packetstormsecurity.com/files/155967/Jenkins-Gitlab-Hook-1.4.2-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| GitHub | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.jenkins-ci.ruby-plugins:gitlab-hook | <=1.4.2 |
no fix listed |
Affected products
- Jenkins project Jenkins Gitlab Hook Plugin
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
packetstormsecurity.com
/files/155967/Jenkins-Gitlab-Hook-1.4.2-Cross-Site-Scripting.html
web, exploit, third-party-advisory, vdb-entry
-
jenkins.io
/security/advisory/2020-01-15/#SECURITY-1683
web, vendor-advisory
-
openwall.com
/lists/oss-security/2020/01/15/1
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-2096
advisory
-
github.com
/jenkinsci/gitlab-hook-plugin
package
Sources
- CVE List CVE-2020-2096
- GitHub Advisory GHSA-8696-836p-c8qp
- NVD CVE-2020-2096
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