alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"VEDAS CVE-2026-66300 Snowstorm - Cross-Site Scripting"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/web-route"; nocase; fast_pattern; content:"uri="; nocase; content:"svg"; nocase; classtype:web-application-attack; reference:cve,CVE-2026-66300; reference:url,https://www.exploit.observer/?keyword=CVE-2026-66300&match=exact; reference:url,https://subdomain.center/?engine=ammonites&keyword=snowstorm&match=exact; sid:1077400; rev:1;)