metadata & matcher update

http/cves/2023/CVE-2023-4966.yaml

@@ -19,6 +19,10 @@ info:
     epss-score: 0.00751
     epss-percentile: 0.78895
     cpe: cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*
+  metadata:
+    verified: "true"
+    max-request: 1
+    shodan-query: title:"Citrix Gateway" || title:"Netscaler Gateway"
   tags: cve,2023,citrix,adc,info-leak
 
 variables:
@@ -39,6 +43,8 @@ http:
         part: body
         words:
           - '{"issuer":'
+          - 'NSC_AAAC='
+        condition: and
 
       - type: word
         part: header