Multiple cross-site scripting (XSS) vulnerabilities in Frams' Fast File EXchange (F*EX, aka fex) before fex-20140530 allow remote attackers to inject arbitrary web script or HTML via the (1) akey parameter to rup or (2) disclaimer or (3) gm parameter to fuc.
https://www.lsexperts.de/advisories/lse-2014-05-22.txt