Konqueror 3.1.3, 3.2.2, and possibly other versions does not properly prevent a frame in one domain from injecting content into a frame that belongs to another domain, which facilitates web site spoofing and other attacks, aka the frame injection vulnerability.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11371
https://exchange.xforce.ibmcloud.com/vulnerabilities/1598
http://www.kde.org/info/security/advisory-20040811-3.txt
http://security.gentoo.org/glsa/glsa-200408-13.xml
http://secunia.com/multiple_browsers_frame_injection_vulnerability_test/
http://secunia.com/advisories/11978
http://marc.info/?l=bugtraq&m=109225538901170&w=2
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000864