CVE-2022-34777: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

July 1, 2022 (updated July 12, 2022)

Jenkins GitLab Plugin 1.5.34 and earlier does not escape multiple fields inserted into the description of webhook-triggered builds, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.

References

github.com/advisories/GHSA-f655-xhvm-cwp4
github.com/jenkinsci/gitlab-plugin/commit/24e9a99d8151b5345109ef12cddc1ab323baa4ee
nvd.nist.gov/vuln/detail/CVE-2022-34777
www.jenkins.io/security/advisory/2022-06-30/

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