alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (
msg:"ET WEB_SPECIFIC_APPS Admidio headline parameter Cross Site Scripting Attempt";
flow:established,to_server;
http.uri;
content:"/adm_program/modules/guestbook/guestbook_new.php?"; nocase; fast_pattern;
content:"headline="; nocase;
pcre:"/^.+?(?:on(?:(?:s(?:elec|ubmi)|rese)t|d(?:blclick|ragdrop)|(?:mouse|key)[a-z]|c(?:hange|lick)|(?:un)?load|focus|blur)|s(?:cript|tyle=))/Ri";
reference:url,packetstormsecurity.org/files/116155/Admidio-2.3.5-Cross-Site-Scripting-SQL-Injection.html;
classtype:web-application-attack;
sid:2016045; rev:3;
metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2012_12_14, deployment Datacenter, signature_severity Major, tag XSS, tag Cross_Site_Scripting, updated_at 2020_04_22;
)