n8n Versioning (#14508)

* n8n versions

* less extractor

---------

Co-authored-by: PDTeamX <8293321+ehsandeep@users.noreply.github.com>

http/exposed-panels/n8n-panel.yaml

@@ -2,7 +2,7 @@ id: n8n-panel
 
 info:
   name: n8n Panel - Detect
-  author: userdehghani
+  author: userdehghani,rxerium
   severity: info
   description: |
     The worlds most popular workflow automation platform for technical teams
@@ -34,4 +34,22 @@ http:
       - type: status
         status:
           - 200
+
+    extractors:
+      - type: regex
+        name: base64_content
+        group: 1
+        regex:
+          - '<meta name="n8n:config:sentry" content="([A-Za-z0-9+/=]+)"'
+        internal: true
+
+      - type: dsl
+        name: version
+        dsl:
+          - 'replace_regex(base64_decode(base64_content), ".*n8n@([0-9]+\\.[0-9]+\\.[0-9]+).*", "$1")'
+        internal: true
+
+      - type: dsl
+        dsl:
+          - '"n8n Version: " + version'
 # digest: 4b0a00483046022100f0738151abdfae80c2b55060526594dac9c30f2c546aebbff21f93459fe41dd3022100a82d59f67cc035fb06e439780acc95fccc62d8baa2353549e99fffe14293444c:922c64590222798bb761d5b6d8e72950