漏洞信息
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Vulnerability Title
Demi <= 0.0.6 - Unauthenticated Arbitrary Directory Deletion via demi_restore_step AJAX action
Vulnerability Description
The Demi – One Click Demo Import, WP Backup & Site Migration plugin for WordPress is vulnerable to Arbitrary Directory Deletion in all versions up to, and including, 0.0.7. The vulnerability exists because the plugin stores its HMAC signing key and per-step restore token as dotfiles inside a publicly accessible subdirectory of the WordPress uploads folder — without any `.htaccess` or index file protection — and the `demi_restore_step` AJAX handler, registered for unauthenticated callers, explicitly accepts possession of the on-disk signing key as a standalone alternative to WordPress capability and nonce checks; an unauthenticated attacker who retrieves the exposed key can forge a valid signed state envelope to invoke `CleanDir::execute()` with a caller-supplied absolute path that is subject to no allow-list or path-canonicalization check. This makes it possible for unauthenticated attackers to recursively delete arbitrary directories on the server.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Vulnerability Title
WordPress Demi 路径遍历漏洞
Vulnerability Description
WordPress Demi是WordPress基金会开源的一款功能强大的 WordPress 演示导入、备份和网站迁移插件。 WordPress Demi 0.0.7及之前版本存在路径遍历漏洞,该漏洞源于插件将HMAC签名密钥和还原令牌存储在可公开访问的上传目录中且未设置保护,未经身份验证的攻击者获取密钥后可通过demi_restore_step AJAX处理程序调用CleanDir::execute(),无路径验证,导致递归删除任意目录。
CVSS Information
N/A
Vulnerability Type
N/A