When building XSS payloads, some javascript event handlers can be used regardless of the tag used and work on the 5 major browsers until date (Chrome, Firefox, IE/Edge, Safari and Opera) hence the term “agnostic”.
When we use the term “regardless”, we mean almost any existent HTML tag (very few exceptions) and also XML ones (arbitrary tags).
They are very useful for filter e...
1.前言
2018年4月3日@ bre4k在群里发了一个trick。
Nginx Lua获取参数时,默认获取前100个参数值,其余的将被丢弃。
所以,用了Nginx Lua的WAF默认都会被Bypass。
2018年4月20日,已经有人公开了这个细节,那这篇文章也就公开了。
2.原理
官方描述如下
Note that a maximum of 100 request arguments are parsed by default (including those with the same name) and that additional request arguments a...