The Application Development Clients component of TIBCO Software Inc.'s TIBCO BPM Enterprise and TIBCO BPM Enterprise Distribution for TIBCO Silver Fabric contains a vulnerability that theoretically allows a low privileged attacker with network access to execute a Cross Site Scripting (XSS) attack on the affected system. Affected releases are TIBCO Software Inc.'s TIBCO BPM Enterprise: versions 4.3.0 and below and TIBCO BPM Enterprise Distribution for TIBCO Silver Fabric: versions 4.3.0 and below.