CVE-2021-21699: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

November 12, 2021 (updated November 22, 2023)

Jenkins Active Choices Plugin 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.

References

www.openwall.com/lists/oss-security/2021/11/12/1
nvd.nist.gov/vuln/detail/CVE-2021-21699
www.jenkins.io/security/advisory/2021-11-12/

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