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When I googled the query, I received many similar requests reported as malicious on different websites (like this one). This certainly looks like an XSS attempt. However, I don't think there's anything to worry about this particular request. The code: ...


1

This information is only relevant for older (unsupported) versions of PHP. Null byte injection has been fixed in PHP 5.3.4 (which it's self is already an old and unsupported PHP version): https://bugs.php.net/bug.php?id=39863.


4

unserialize allows the creation of arbitrary object constructs of any class with arbitrary attributes. During deserialization, the lifetime of an object, and the interaction with the object, several methods including magic methods may get called using these arbitrarily definable attributes. An attacker may be able to utilize the functionality provided within ...



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