How to patch php vulnerability

How to fix php vulnerability?

PHP cross-site scripting attack (XSS) vulnerability repair method

One of the methods to avoid XSS is mainly to filter the input and output of the content provided by the user, which is provided in many languages Filtering of HTML:

You can use the following functions to filter parameters with xss vulnerabilities

PHP's htmlentities() or htmlspecialchars().

Related introduction:

Python’s cgi.escape().

ASP's Server.HTMLEncode().

ASP.NET's Server.HtmlEncode() or the more powerful Microsoft Anti-Cross Site Scripting Library

Java's xssprotect(Open Source Library).

node-validator for Node.js.

Recommended: "PHP Tutorial"

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