漏洞信息
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Vulnerability Title
UsersWP <= 1.2.70 - Authenticated (Subscriber+) Arbitrary File Deletion
Vulnerability Description
The UsersWP plugin for WordPress is vulnerable to Arbitrary File Deletion in versions up to, and including, 1.2.70 via the upload_file_remove() AJAX handler. The plugin stores the value of an account 'file' form field taken directly from $_POST when no real $_FILES upload is provided (process_account() calls uwp_validate_fields() and array_merges the result with the empty output of UsersWP_Files::validate_uploads()). At storage time the value is only checked with validate_file(), which passes any string that does not contain a literal '../'. When the value is later processed by upload_file_remove(), it is again gated with validate_file() and then normalized through uwp_get_file_relative_url(); that helper performs a global str_replace() of the uploads base URL against the stored URL, allowing a crafted URL containing embedded '..<uploads-baseurl>' tokens to collapse into '../../' traversal sequences after the last validation. The transformed value is then appended to the uploads base directory and passed to wp_delete_file() without any canonical containment check. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete arbitrary files on the affected site's server (including wp-config.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Vulnerability Title
WordPress UsersWP 路径遍历漏洞
Vulnerability Description
WordPress UsersWP是WordPress基金会开源的一款用户管理插件。 WordPress UsersWP 1.2.70及之前版本存在路径遍历漏洞,该漏洞源于upload_file_remove() AJAX处理器对账户'file'表单字段处理不当,仅用validate_file()检查输入,并在uwp_get_file_relative_url()中通过替换上传基础URL使特制URL折叠为目录遍历序列,最终未进行规范包含检查就传入wp_delete_file(),可能导致具有Subscri
CVSS Information
N/A
Vulnerability Type
N/A