Cross-site scripting (XSS) vulnerability in JMX-Console in JBossAs in Red Hat JBoss Enterprise Application Platform (aka JBoss EAP or JBEAP) 4.2 before 4.2.0.CP08 and 4.3 before 4.3.0.CP07 allows remote attackers to inject arbitrary web script or HTML via the filter parameter, related to the key property and the position of quote and colon characters.