Jenkins Subversion Partial Release Manager Plugin programmatically disables the fix for CVE-2016-3721
Jenkins Subversion Partial Release Manager Plugin 1.0.1 and earlier programmatically sets the Java system property `hudson.model.ParametersAction.keepUndefinedParameters` whenever a build is triggered from a release tag with the 'Svn-Partial Release Manager' SCM. Doing so disables the fix for SECURITY-170
https://www.jenkins.io/security/advisory/2016-05-11/#arbitrary-build-parameters-are-passed-to-build-scripts-as-environment-variables / CVE-2016-3721.
As of publication of this advisory, there is no fix.