CVE-2021-21699

Jenkins Active Choices Plugin 2.5.6 and earlier does not escape the parameter name of reactive parameters and dynamic reference parameters, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.

• CWE-79

• http://www.openwall.com/lists/oss-security/2021/11/12/1Mailing List, Third Party Advisory
• https://www.jenkins.io/security/advisory/2021-11-12/#SECURITY-2219Vendor Advisory
• http://www.openwall.com/lists/oss-security/2021/11/12/1Mailing List, Third Party Advisory
• https://www.jenkins.io/security/advisory/2021-11-12/#SECURITY-2219Vendor Advisory

Published

Nov 12, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2021-21693When creating temporary files, agent-to-controller access to…9.8
• CVE-2021-21694FilePath#toURI, FilePath#hasSymlink, FilePath#absolutize, Fi…9.8
• CVE-2021-21695FilePath#listFiles lists files outside directories that agen…8.8
• CVE-2021-21696Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not …9.8
• CVE-2021-21697Jenkins 2.318 and earlier, LTS 2.303.2 and earlier allows an…9.1
• CVE-2021-21698Jenkins Subversion Plugin 2.15.0 and earlier does not restri…7.5
• CVE-2021-2170Vulnerability in the MySQL Server product of Oracle MySQL (c…4.9
• CVE-2021-21700Jenkins Scriptler Plugin 3.3 and earlier does not escape the…5.4
• CVE-2021-21701Jenkins Performance Plugin 3.20 and earlier does not configu…6.5
• CVE-2021-21702In PHP versions 7.3.x below 7.3.27, 7.4.x below 7.4.15 and 8…7.5
• CVE-2021-21703In PHP versions 7.3.x up to and including 7.3.31, 7.4.x belo…7
• CVE-2021-21704In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8…5.9