KnowSafe 安全预警：KnowSafe 安全团队监测到编号 AVD-2020-35489 的安全漏洞（危害等级：严重）已公开披露，相关用户应尽快排查并完成修复。
漏洞介绍
The CVE-2020-35489 is discovered in the WordPress plugin Contact Form 7 5.3.1 and older versions. By exploiting this vulnerability, attackers could simply upload files of any type, bypassing all restrictions placed regarding the allowed upload-able file types on a website.
影响范围
应用：rocklobster contact_form_7（影响面 Up to (excluding) 5.3.2）
解决方案
升级至5.3.2及以后的版本。
参考信息
https://contactform7.com/2020/12/17/contact-form-7-532/
https://wordpress.org/plugins/contact-form-7/#developers
https://wpscan.com/vulnerability/10508
https://www.getastra.com/blog/911/plugin-exploit/contact-form-7-unrestricted-file-upload/
https://www.jinsonvarghese.com/unrestricted-file-upload-in-contact-form-7/
KnowSafe 将持续跟踪该漏洞的利用情况与修复进展，如需漏洞管理与应急响应支持，欢迎联系 KnowSafe 安全团队。