diff --git a/.appsec-tests/vpatch-CVE-2025-53693/CVE-2025-53693.yaml b/.appsec-tests/vpatch-CVE-2025-53693/CVE-2025-53693.yaml
new file mode 100644
index 00000000000..218f4cb9005
--- /dev/null
+++ b/.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
diff --git a/.appsec-tests/vpatch-CVE-2025-53693/config.yaml b/.appsec-tests/vpatch-CVE-2025-53693/config.yaml
new file mode 100644
index 00000000000..b692b74da88
--- /dev/null
+++ b/.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
diff --git a/appsec-rules/crowdsecurity/vpatch-CVE-2025-53693.yaml b/appsec-rules/crowdsecurity/vpatch-CVE-2025-53693.yaml
new file mode 100644
index 00000000000..c6a3d67a1b2
--- /dev/null
+++ b/appsec-rules/crowdsecurity/vpatch-CVE-2025-53693.yaml
@@ -0,0 +1,35 @@
+## 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
diff --git a/collections/crowdsecurity/appsec-virtual-patching.yaml b/collections/crowdsecurity/appsec-virtual-patching.yaml
index 9d5aabe34fc..5f49914e4e7 100644
--- a/collections/crowdsecurity/appsec-virtual-patching.yaml
+++ b/collections/crowdsecurity/appsec-virtual-patching.yaml
@@ -18,6 +18,7 @@ appsec-rules:
 - crowdsecurity/vpatch-CVE-2023-34362
 - crowdsecurity/vpatch-CVE-2023-3519
 - crowdsecurity/vpatch-CVE-2023-42793
+- crowdsecurity/vpatch-CVE-2025-53693
 - crowdsecurity/vpatch-CVE-2023-50164
 - crowdsecurity/vpatch-CVE-2023-38205
 - crowdsecurity/vpatch-CVE-2023-24489