Martin Johns Björn Engelmann Joachim Posegga XSSDS: Server-Side Detection of Cross-Site Scripting Attacks. 335-344 2008 ACSAC http://dx.doi.org/10.1109/ACSAC.2008.36 conf/acsac/2008 db/conf/acsac/acsac2008.html#JohnsEP08