Add vpatch-CVE-2025-13920 rule

Author: crowdsec-automation

appsec-rules/crowdsecurity/vpatch-CVE-2025-13920.yaml

@@ -0,0 +1,42 @@
+## autogenerated on 2026-04-01 15:25:36
+name: crowdsecurity/vpatch-CVE-2025-13920
+description: 'Detects unauthenticated email exposure in WP Directory Kit via wdk_public_action AJAX handler.'
+rules:
+  - and:
+      - zones:
+          - URI
+        transform:
+          - lowercase
+        match:
+          type: equals
+          value: /wp-admin/admin-ajax.php
+      - zones:
+          - BODY_ARGS
+        variables:
+          - action
+        transform:
+          - lowercase
+        match:
+          type: equals
+          value: wdk_public_action
+      - zones:
+          - BODY_ARGS
+        variables:
+          - print_column
+        transform:
+          - lowercase
+        match:
+          type: equals
+          value: user_email
+
+labels:
+  type: exploit
+  service: http
+  confidence: 3
+  spoofable: 0
+  behavior: 'http:exploit'
+  label: 'WP Directory Kit - Exposure'
+  classification:
+    - cve.CVE-2025-13920
+    - attack.T1592
+    - cwe.CWE-862