漏洞信息
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Vulnerability Title
Blocksy Companion Pro < 2.1.47 Unauthenticated File Upload via save_attachments
Vulnerability Description
Blocksy Companion Pro plugin for WordPress before 2.1.47 contains an unauthenticated arbitrary file upload vulnerability that allows attackers to upload executable files by bypassing extension validation in the save_attachments function exposed through the Advanced Reviews feature. Attackers can exploit the Custom Fonts extension's flawed strpos() substring check by uploading double-extension filenames such as shell.woff2.php, causing the validation to pass on the substring match while the web server executes the file as PHP, achieving remote code execution.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability Type
危险类型文件的不加限制上传
Vulnerability Title
WordPress Companion Pro 任意文件上传漏洞
Vulnerability Description
WordPress Companion Pro是WordPress基金会的一款网站构建配套工具。 WordPress Companion Pro 2.1.47之前版本存在任意文件上传漏洞,该漏洞源于通过Advanced Reviews功能暴露的save_attachments函数中绕过扩展名验证,攻击者利用Custom Fonts扩展中不完善的strpos()子字符串检查,上传如shell.woff2.php等双扩展名文件,导致验证通过子字符串匹配而Web服务器以PHP执行文件,从而实现远程代码执行。
CVSS Information
N/A
Vulnerability Type
N/A