CVE-2021-21684: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

October 6, 2021 (updated November 22, 2023)

Jenkins Git Plugin does not escape the Git SHA-1 checksum parameters provided to commit notifications when displaying them in a build cause, resulting in a stored cross-site scripting (XSS) vulnerability.

References

nvd.nist.gov/vuln/detail/CVE-2021-21684
www.jenkins.io/security/advisory/2021-10-06/

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