{"id":"CVE-2020-2206","aliases":["EUVD-2022-3818","GHSA-fq52-6cjf-jw59"],"status":"published","title":"Reflected XSS vulnerability in Jenkins VncRecorder Plugin","description":"Jenkins VncRecorder Plugin 1.25 and earlier does not escape a parameter value in the checkVncServ form validation endpoint, resulting in a reflected cross-site scripting (XSS) vulnerability.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00871,"percentile":0.59097,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2020-07-02T14:55:34Z","modified":"2026-10-24T10:30:59Z","fixes":[{"ecosystem":"Maven","package":"org.jenkins-ci.plugins:vncrecorder","fixed_in":["1.35"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.jenkins-ci.plugins:vncrecorder","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.25"},{"fixed":"1.35"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.jenkins-ci.plugins:vncrecorder","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.35"}]}],"versions":["1.1","1.12","1.13","1.14","1.15","1.18","1.19","1.2","1.20","1.21","1.22","1.23","1.24","1.25","1.4","1.5","1.6","1.8","1.9"]}],"products":[{"vendor":"jenkins","product":"vncrecorder"},{"vendor":"jenkins project","product":"jenkins vncrecorder plugin"}],"references":[{"url":"https://jenkins.io/security/advisory/2020-07-02/#SECURITY-1728%20%282%29","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2020/07/02/7","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-2206","tags":["advisory"]},{"url":"https://jenkins.io/security/advisory/2020-07-02/#SECURITY-1728%20(2)","tags":["web"]},{"url":"https://github.com/advisories/GHSA-fq52-6cjf-jw59"},{"url":"https://github.com/jenkinsci/vncrecorder-plugin","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-2206","description":"Jenkins VncRecorder Plugin 1.25 and earlier does not escape a parameter value in the checkVncServ form validation endpoint, resulting in a reflected cross-site scripting (XSS) vulnerability.","status":"published","published":"2020-07-02T14:55:34Z","modified":"2024-08-04T07:01:41.18Z","updated_at":"2026-11-02T14:35:51.206854Z"}],"euvd":[{"id":"EUVD-2022-3818","description":"Jenkins VncRecorder Plugin 1.25 and earlier does not escape a parameter value in the checkVncServ form validation endpoint, resulting in a reflected cross-site scripting (XSS) vulnerability.","status":"published","published":"2020-07-02T14:55:34Z","modified":"2024-08-04T07:01:41Z","updated_at":"2026-11-03T03:08:10.371372Z"}],"ghsa":[{"id":"GHSA-fq52-6cjf-jw59","title":"Reflected XSS vulnerability in Jenkins VncRecorder Plugin","description":"VncRecorder Plugin 1.25 and earlier does not escape a parameter value in the `checkVncServ` form validation endpoint output.\n\nThis results in a reflected cross-site scripting (XSS) vulnerability.\n\nVncRecorder Plugin 1.35 escapes the parameter value in the output.","status":"published","published":"2022-05-24T17:22:19Z","modified":"2023-10-26T22:45:15Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:37:10.053831Z"}],"nvd":[{"id":"CVE-2020-2206","description":"Jenkins VncRecorder Plugin 1.25 and earlier does not escape a parameter value in the checkVncServ form validation endpoint, resulting in a reflected cross-site scripting (XSS) vulnerability.","status":"published","published":"2020-07-02T15:15:17.6Z","modified":"2026-06-17T03:11:59.45Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:08.145904Z"}],"osv":[{"id":"CVE-2020-2206","description":"Jenkins VncRecorder Plugin 1.25 and earlier does not escape a parameter value in the checkVncServ form validation endpoint, resulting in a reflected cross-site scripting (XSS) vulnerability.","status":"published","published":"2020-07-02T15:15:17.6Z","modified":"2026-10-24T10:30:59.603411453Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:15.534837Z"},{"id":"GHSA-fq52-6cjf-jw59","title":"Reflected XSS vulnerability in Jenkins VncRecorder Plugin","description":"VncRecorder Plugin 1.25 and earlier does not escape a parameter value in the `checkVncServ` form validation endpoint output.\n\nThis results in a reflected cross-site scripting (XSS) vulnerability.\n\nVncRecorder Plugin 1.35 escapes the parameter value in the output.","status":"published","published":"2022-05-24T17:22:19Z","modified":"2023-11-08T04:02:56.782582Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:46.760785Z"}]}}