Cyber Risks · PortSwigger Research

Custom Deserializer

Summary: CustomDeserializer is a Burp Suite extension by Marco Tinari, version 1.1a and last updated 21 February 2022, that performs custom deserialization to speed up manual testing of web applications. It adds an editor tab for decoding and encoding parameters on the fly and integrates with Burp Scanner and Intruder for automation, with an estimated overall system impact rated Low.

Key Takeaway: The extension is third-party code that PortSwigger explicitly does not warrant for quality or usefulness, so a tester running it inside Burp is trusting an outside author's deserialization handling against live application traffic.

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Topics
Vulnerabilities & Patching
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