A payload that consumes excessive resources when deserialized

A serialization format that uses non-standard encoding

A large object designed to bypass validation checks

A serialized object that is encrypted with multiple keys

Implement CAPTCHA verification before processing serialized data

Validate and authenticate serialized data before deserialization

Always serialize data in XML format

Use multiple threads to deserialize data faster

Generating unique identifiers for objects

Transforming an object’s state into a storable or transferable format

Compressing data to reduce file size

Encrypting data to prevent unauthorized access

SAX parser

Object parser

Validation parser

Flow parser

Object Parsing

Network Parsing

Flow (StAX)

Event-Based (SAX)

The application processes XML input without proper validation or sanitization

The attacker must gain administrative access to the server

The attacker must disable XML validation on the server

The application must use JSON instead of XML

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XQuery Injection  

XPath Injection  

XML-RPC Injection

XXE

To enable JSON support in XML parsers

To prevent XXE attacks

To improve XML parsing speed

To ensure XML comments are ignored

Developing graphical applications

Generating user interfaces for web applications

Structuring, storing, and transferring digital information

Encrypting sensitive data