GHSA-rjch-j5x9-fgph

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GHSA-rjch-j5x9-fgph

Summary: Stored XSS vulnerability in Jenkins Active Choices Plugin

Details: Jenkins Active Choices Plugin 2.4 and earlier does not escape `List` and `Map` return values of sandboxed scripts for Reactive Reference Parameters. This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission. This issue is caused by an incomplete fix for [SECURITY-470](https://www.jenkins.io/security/advisory/2017-10-23/#persisted-cross-site-scripting-vulnerability-in-active-choices-plugin). Active Choices Plugin 2.5 escapes all legal return values of sandboxed scripts.

References: https://nvd.nist.gov/vuln/detail/CVE-2020-2290, https://github.com/jenkinsci/active-choices-plugin/commit/15e3e01929a687965f44d9d06cd2d870628a54dc, https://github.com/jenkinsci/active-choices-plugin, https://www.jenkins.io/security/advisory/2020-10-08/#SECURITY-2008, http://www.openwall.com/lists/oss-security/2020/10/08/5