Description
im即时通讯系统preview.php存在文件上传漏洞，攻击者可以通过该漏洞上传恶意文件执行恶意命令，进而控制整个服务器。
im即时通讯系统preview.php存在文件上传漏洞
PoC
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https://github.com/eeeeeeeeee-code/POC/blob/main/wpoc/im%E5%8D%B3%E6%97%B6%E9%80%9A%E8%AE%AF%E7%B3%BB%E7%BB%9F/im%E5%8D%B3%E6%97%B6%E9%80%9A%E8%AE%AF%E7%B3%BB%E7%BB%9Fpreview.php%E5%89%8D%E5%8F%B0%E4%BB%BB%E6%84%8F%E2%BD%82%E4%BB%B6%E4%B8%8A%E4%BC%A0%E6%BC%8F%E6%B4%9E.md
https://ddpoc.com/news.html
https://zhuanlan.zhihu.com/p/1932214870562047555
https://gravity.vd.wiki/list/bec/?page=4
https://zone.ci/e/tags/?tagname=nday%E6%BC%8F%E6%B4%9E
https://cn-sec.com/archives/2688888.html