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php url variable xss sanitize

Lucky Lizard answered on August 12, 2021 Popularity 3/10 Helpfulness 4/10

answer php url variable xss sanitize

php url variable xss sanitize

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<?php
// It is important to sanitize
// input! Otherwise, a bad actor
// could enter '<script src="evilscript.js"></script>'
// in a URL parameter. Assuming you echo it, this
// would inject scripts in an XSS attack.
//
// The solution:
$NAME = $_GET['NAME'];
// Bad:
echo $NAME;
// that one is vulnerable to XSS
// Good:
echo htmlspecialchars($NAME);
// Sanitizes input thoroughly.
?>

Popularity 3/10 Helpfulness 4/10 Language php

Source: www.php.net

Tags: php sanitize url xss

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Contributed on Aug 12 2021

Lucky Lizard

0 Answers Avg Quality 2/10

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