CVE-2021-21618: Cross-site Scripting

February 24, 2021 (updated November 2, 2023)

Jenkins Repository Connector Plugin does not escape parameter names and descriptions for past builds, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.

References

nvd.nist.gov/vuln/detail/CVE-2021-21618
www.jenkins.io/security/advisory/2021-02-24/

Code Behaviors & Features

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