{"schemaVersion":3,"id":"CVE-2020-2096","aliases":["GHSA-8696-836p-c8qp"],"status":"published","duplicateOf":null,"title":null,"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.","dates":{"published":"2020-01-15T15:15:26.000Z","modified":"2024-08-04T06:54:00.594Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.1,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"OSV · Maven","score":6.1,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","exploitability":7.2,"impact":4.5,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.1,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.3,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.9279,"percentile":0.99831,"severity":"critical","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.9279},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.9279,"percentile":0.99831}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.9279,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.9279,"percentile":0.99831}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"REF_B09BDA7CA0D3CA00","name":"Exploit Reference (packetstormsecurity.com)","source":"reference","url":"http://packetstormsecurity.com/files/155967/Jenkins-Gitlab-Hook-1.4.2-Cross-Site-Scripting.html","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"47927","name":"Jenkins Gitlab Hook Plugin 1.4.2 - Reflected Cross-Site Scripting","source":"exploit-database","url":"https://www.exploit-db.com/exploits/47927","maturity":"poc","reliabilityScore":0.5,"verified":false,"type":null,"platforms":["java"],"requiresAuth":null,"exploitdb":{"verified":false,"type":"webapps","platform":"java","file":"exploits/java/webapps/47927.txt","codes":["CVE-2020-2096"]},"metasploit":null}],"exploitCount":2,"weaknesses":[{"id":"CWE-79","name":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","description":"The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/79.html"}],"affected":[{"vendor":"jenkins project","product":"jenkins gitlab hook plugin","name":"Jenkins Gitlab Hook Plugin","label":"jenkins gitlab hook plugin","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ unspecified, ≤ 1.4.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ unspecified, ≤ 1.4.2","eol":null,"hubHref":"/vendor/jenkins_project/jenkins_gitlab_hook_plugin"},{"vendor":"jenkins","product":"gitlab_hook","name":"gitlab hook","label":"gitlab_hook","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 1.4.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 1.4.2","eol":null,"hubHref":"/vendor/jenkins/gitlab_hook"},{"vendor":"org.jenkins-ci.ruby-plugins","product":"gitlab-hook","name":"org.jenkins-ci.ruby-plugins:gitlab-hook","label":"gitlab-hook","ecosystem":"Maven","cpePart":null,"purl":"pkg:maven/org.jenkins-ci.ruby-plugins/gitlab-hook","purlType":"maven","versions":[{"text":"≤ 1.4.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 1.4.2","eol":null,"hubHref":null}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://jenkins.io/security/advisory/2020-01-15/#SECURITY-1683","label":"jenkins.io/security/advisory/2020-01-15/","hostname":"jenkins.io","tags":["X Refsource CONFIRM","WEB","Vendor Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2020/01/15/1","label":"www.openwall.com/lists/oss-security/2020/01/15/1","hostname":"www.openwall.com","tags":["Mailing List","X Refsource MLIST","WEB","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/155967/Jenkins-Gitlab-Hook-1.4.2-Cross-Site-Scripting.html","label":"packetstormsecurity.com/files/155967/Jenkins-Gitlab-Hook-1.4.2-Cross-Site-Scripting.html","hostname":"packetstormsecurity.com","tags":["X Refsource MISC","WEB","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-2096","label":"nvd.nist.gov/vuln/detail/CVE-2020-2096","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://github.com/jenkinsci/gitlab-hook-plugin","label":"github.com/jenkinsci/gitlab-hook-plugin","hostname":"github.com","tags":["PACKAGE"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2020-01-15T15:15:26.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T06:54:00.594Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":53,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T08:15:22.770Z","stale":false,"partial":false}}