Add vpatch-CVE-2025-55747 rule and test

.appsec-tests/vpatch-CVE-2025-55747/CVE-2025-55747.yaml

@@ -0,0 +1,17 @@
+## autogenerated on 2025-12-17 15:03:16
+id: CVE-2025-55747
+info:
+  name: CVE-2025-55747
+  author: crowdsec
+  severity: info
+  description: CVE-2025-55747 testing
+  tags: appsec-testing
+http:
+  - method: GET
+    path:
+      - '{{BaseURL}}/xwiki/webjars/wiki%3Axwiki/..%2F..%2F..%2F..%2F..%2FWEB-INF%2Fxwiki.cfg'
+    cookie-reuse: true
+    matchers:
+    - type: status
+      status:
+       - 403

.appsec-tests/vpatch-CVE-2025-55747/config.yaml

@@ -0,0 +1,5 @@
+## autogenerated on 2025-12-17 15:03:16
+appsec-rules:
+  - ./appsec-rules/crowdsecurity/base-config.yaml
+  - ./appsec-rules/crowdsecurity/vpatch-CVE-2025-55747.yaml
+nuclei_template: CVE-2025-55747.yaml

appsec-rules/crowdsecurity/vpatch-CVE-2025-55747.yaml

@@ -0,0 +1,33 @@
+## autogenerated on 2025-12-17 15:03:16
+name: crowdsecurity/vpatch-CVE-2025-55747
+description: 'Detects XWiki webjars API path traversal leading to information disclosure of configuration files.'
+rules:
+  - and:
+      - zones:
+          - URI
+        transform:
+          - lowercase
+          - urldecode
+        match:
+          type: contains
+          value: '/xwiki/webjars/wiki:xwiki'
+      - zones:
+          - URI
+        transform:
+          - lowercase
+          - urldecode
+        match:
+          type: contains
+          value: '..'
+
+labels:
+  type: exploit
+  service: http
+  confidence: 3
+  spoofable: 0
+  behavior: 'http:exploit'
+  label: 'XWiki - LFI'
+  classification:
+    - cve.CVE-2025-55747
+    - attack.T1006
+    - cwe.CWE-23

collections/crowdsecurity/appsec-virtual-patching.yaml

@@ -141,6 +141,7 @@ appsec-rules:
 - crowdsecurity/vpatch-CVE-2020-10987
 - crowdsecurity/vpatch-CVE-2025-55182
 - crowdsecurity/vpatch-CVE-2024-6235
+- crowdsecurity/vpatch-CVE-2025-55747
 - crowdsecurity/vpatch-CVE-2021-34427
 - crowdsecurity/vpatch-CVE-2018-13317
 - crowdsecurity/vpatch-CVE-2025-9316