On version 16.0.x before 16.0.1.2 15.1.x before 15.1.3.1 and 14.1.x before 14.1.4.3 a DOM based cross-site scripting (XSS) vulnerability exists in an undisclosed page of the BIG-IP Configuration utility that allows an attacker to execute JavaScript in the context of the currently logged-in user. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.