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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 93.2%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 93.21% probability · 100th percentile
- Public exploits
- 1 in Exploit-DB · first 16 January 2020
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- jenkins/gitlab hook
- Source
- jenkinsci-cert@googlegroups.com
EPSS 93.2% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/155967/Jenkins-Gitlab-Hook-1.4.2-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2020/01/15/1Mailing List, Third Party Advisory
- https://jenkins.io/security/advisory/2020-01-15/#SECURITY-1683Vendor Advisory
- http://packetstormsecurity.com/files/155967/Jenkins-Gitlab-Hook-1.4.2-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2020/01/15/1Mailing List, Third Party Advisory
- https://jenkins.io/security/advisory/2020-01-15/#SECURITY-1683Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.