The Web Application component of TIBCO Software Inc.'s TIBCO EBX and TIBCO Product and Service Catalog powered by TIBCO EBX contains an easily exploitable vulnerability that allows a low privileged attacker with network access to execute a stored XSS on the affected system. Affected releases are TIBCO Software Inc.'s TIBCO EBX: versions 5.9.21 and below, versions 6.0.11 and below and TIBCO Product and Service Catalog powered by TIBCO EBX: versions 1.2.0 and below.