{"cve":"CVE-2021-21635","nvd":{"published":"2021-03-30T12:16:10.767","modified":"2026-06-17T03:35:54.620","status":"Modified","description":"Jenkins REST List Parameter Plugin 1.3.0 and earlier does not escape a parameter name reference in embedded JavaScript, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4},"cwes":["CWE-79"],"references":["http://www.openwall.com/lists/oss-security/2021/03/30/1","https://www.jenkins.io/security/advisory/2021-03-30/#SECURITY-2261","http://www.openwall.com/lists/oss-security/2021/03/30/1","https://www.jenkins.io/security/advisory/2021-03-30/#SECURITY-2261"],"products":["jenkins:rest_list_parameter"],"source":"nvd","synced_at":"2026-10-19T21:17:01.373894544+00:00"},"epss":{"cve":"CVE-2021-21635","score":0.08759,"percentile":0.95163,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-x3m6-vcp7-98mr","url":"https://osv.dev/vulnerability/GHSA-x3m6-vcp7-98mr","summary":"Stored XSS vulnerability in Jenkins REST List Parameter Plugin","modified":"2024-02-16T08:11:24.221720Z","packages":[{"ecosystem":"Maven","name":"io.jenkins.plugins:rest-list-parameter","purl":"pkg:maven/io.jenkins.plugins/rest-list-parameter","ranges":["<1.3.1"],"fixed":["1.3.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}