Multiple cross-site scripting (XSS) vulnerabilities in Guder und Koch Netzwerktechnik Eichhorn Portal allow remote attackers to inject arbitrary web script or HTML via unspecified vectors, possibly including the (1) profil_nr and (2) sprache parameters in the main portion of the portal, the (3) suchstring field in suchForm in the main portion of the portal, the (4) GaleryKey and (5) Breadcrumbs parameters in the gallerie module, and the (6) GGBNSaction parameter in the ggbns module.