A cross-site scripting vulnerability exists in Jenkins Rebuilder Plugin 1.28 and earlier in
RebuildAction/BooleanParameterValue.jelly,
RebuildAction/ExtendedChoiceParameterValue.jelly,
RebuildAction/FileParameterValue.jelly,
RebuildAction/LabelParameterValue.jelly,
RebuildAction/ListSubversionTagsParameterValue.jelly,
RebuildAction/MavenMetadataParameterValue.jelly,
RebuildAction/NodeParameterValue.jelly,
RebuildAction/PasswordParameterValue.jelly,
RebuildAction/RandomStringParameterValue.jelly,
RebuildAction/RunParameterValue.jelly,
RebuildAction/StringParameterValue.jelly,
RebuildAction/TextParameterValue.jelly,
RebuildAction/ValidatingStringParameterValue.jelly
that allows users with Job/Configuration permission to insert arbitrary HTML into rebuild forms.