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CVE-2026-13492— UsersWP <= 1.2.65 - Authenticated (Subscriber+) Arbitrary File Deletion via File Upload Field

CVSS 8.8 · High EPSS 0.51% · P41
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I. Basic Information for CVE-2026-13492

Vulnerability Information
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Vulnerability Title
UsersWP <= 1.2.65 - Authenticated (Subscriber+) Arbitrary File Deletion via File Upload Field
Source: CVE Program / CVE List V5
Vulnerability Description
The UsersWP plugin for WordPress is vulnerable to Arbitrary File Deletion in versions up to, and including, 1.2.65. This is due to insufficient validation of file-field values in the UsersWP_Validation::validate_fields() function (which falls through to sanitize_text_field() for fields of type 'file', leaving directory-traversal sequences intact) combined with the UsersWP_Forms::upload_file_remove() AJAX handler building the deletion target from the uploads basedir concatenated with the attacker-controlled metadata value without any realpath canonicalization or uploads-directory boundary check before calling unlink(). 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress UsersWP 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress UsersWP是WordPress基金会的一款轻量级且 100% 安全的 WordPress 用户注册、登录和个人资料插件。 WordPress UsersWP 1.2.65及之前版本存在路径遍历漏洞，该漏洞源于对文件字段值验证不足以及在删除操作前未进行realpath规范化或上传目录边界检查，可能导致已认证的攻击者删除受影响服务器上的任意文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
stiofansislandUsersWP – Front-end login form, User Registration, User Profile & Members Directory plugin for WP 0 ~ 1.2.65 -

II. Public POCs for CVE-2026-13492

#POC DescriptionSource LinkShenlong Link
AI-Generated POCVerified env Premium
Qwen3.6-35B-A3B · 9155 chars
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III. Intelligence Information for CVE-2026-13492

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Patches & Fixes for CVE-2026-13492 (1)

Vendor Advisories for CVE-2026-13492 (1)

IV. Related Vulnerabilities

Same product: UsersWP – Front-end login form, User Registration, User Profile & Members Directory plugin for WP
Same vendor: stiofansisland
Same weakness: CWE-22

V. Comments for CVE-2026-13492

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