Jenkins Matrix Project Plugin 822.v01b_8c85d16d2 and earlier does not sanitize user-defined axis names of multi-configuration projects, allowing attackers with Item/Configure permission to create or replace any config.xml files on the Jenkins controller file system with content not controllable by the attackers.
Jenkins Matrix Project Plugin does not escape HTML metacharacters in node and label names, and label descriptions, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Agent/Configure permission.
Jenkins Matrix Project Plugin does not escape the axis names shown in tooltips on the overview page of builds with multiple axes, resulting in a stored cross-site scripting vulnerability.
Jenkins Matrix Project Plugin does not escape the node names shown in tooltips on the overview page of builds with a single axis, resulting in a stored cross-site scripting vulnerability.
A sandbox bypass vulnerability exists in Jenkins Matrix Project Plugin in src/main/java/hudson/matrix/FilterScript.java that allowing attackers with Job/Configure permission to execute arbitrary code on the Jenkins master JVM.