diff --git a/http/misconfiguration/posteio-installer.yaml b/http/misconfiguration/posteio-installer.yaml
new file mode 100644
index 0000000000..ceed848be8
--- /dev/null
+++ b/http/misconfiguration/posteio-installer.yaml
@@ -0,0 +1,30 @@
+id: posteio-installer
+
+info:
+  name: First Poste.io Configuration Installation Wizard
+  author: ritikchaddha
+  severity: high
+  description: Poste.io is susceptible to the Installation page exposure due to misconfiguration.
+  metadata:
+    verified: true
+    max-request: 1
+    shodan-query: title:"Initial server configuration"
+  tags: misconfig,exposure,install,poste
+
+http:
+  - method: GET
+    path:
+      - "{{BaseURL}}/admin/install/server"
+
+    matchers-condition: and
+    matchers:
+      - type: word
+        part: body
+        words:
+          - "<title>Initial server configuration"
+          - "Generate</button>"
+        condition: and
+
+      - type: status
+        status:
+          - 200