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![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
标题里面提到了 足够安全 ... 关键就是看你怎么理解这个足够了 ...
对于 XSS ... XSS 的全称是
Cross-site Scripting... 关键点在 Scripting ...如果你用了
FILTER_SANITIZE_STRING... 肯定就不存在被 XSS 的风险了 ...但这样并不能说就是在任何地方都完全安全 ... 其他的风险依然存在 ...
比如说这样的内容在不经处理之前不能直接写进 SQL 语句里面 ...
以及还要看你如何把用户输入的内容显示出来 ...
如果用户输入的内容有可能合法的出现在
script标签内 ... 也必须要进行额外的处理 ...