Gareth Heyes posted an "htmlentities is badly designed": http://www.thespanner.co.uk/2007/11/26/htmlentities-is-badly-designed/ on his blog
The general idea is that htmlentities will not be filtered by default parameters, resulting in xss and so on.
Update20151202: Thank you for your attention and answers. The defense methods I have learned from various methods are as follows: PHP outputs html directly, and the following methods can be used for filtering: {code ...} if PHP is output to JS Code
XSS and xss1. Introduction
Cross site script (XSS) is short for avoiding confusion with style css.
XSS is a computer security vulnerability that often occurs in web applications and is also the most popular attack method on the web. So what is
Talking about PHP security and anti-SQL injection, prevent XSS attack, anti-theft chain, anti-CSRF
Objective:
First of all, the author is not a web security experts, so this is not a Web security expert-level article, but learning notes, careful
In my previous "front-end security XSS attack" article, did not put the solution of XSS attack is complete, and the attack of XSS is so multifarious, there is not a recruit "lone nine swords" can contend, after all, so many scenarios, developers can
In my previous "front-end security XSS attack" article, did not put the solution of XSS attack is complete, and the attack of XSS is so multifarious, there is not a recruit "lone nine swords" can contend, after all, so many scenarios, developers can
Solutions to XSS attacks
In my previous article "XSS attacks of front-end security", I did not provide a complete solution to XSS attacks, and XSS attacks were so varied, are there any tricks that can be used to compete? After all, developers cannot
1. Addslashes ()Addslashes () escapes special characters in SQL statements, including ('), ("), (), (NUL) four characters, which are used when the DBMS does not have its own escape function, but if the DBMS has its own escape function, it is
Organize PHP anti-injection and XSS attack Universal filtering, PHPXSS
There are many ways to launch an XSS attack on your Web site, and just using some of the built-in filter functions of PHP is not a good deal, even if you will
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