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CVE-2026-9178— WP Forms Connector <= 1.8 - Missing Authorization to Unauthenticated Information Exposure via 'user/list' REST Endpoint

Quick assessment

Affected
hancock11 WP Forms Connector
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Appy Pie WP Forms Connector是Appy Pie公司的一个WordPress表单连接插件。 Appy Pie WP Forms Connector 1.8及之前版本存在授权问题漏洞，该漏洞源于注册的REST路由wp/v3/user/list/<id>的权限回调设置为'__return_true'，且自定义身份验证仅验证'Username' HTTP标头对应管理员帐户和'Password' HTTP标头非空，未验证密码，可能导致未经身份验证的攻击者检索任何注册用户ID的敏感信息，包括

CVSS 7.5 · High EPSS 0.61% · P48

Affected Version Matrix 1

VendorProduct Version RangeStatus
hancock11 WP Forms Connector ≤ 1.8 affected
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I. Basic Information for CVE-2026-9178

Vulnerability Information
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Vulnerability Title
WP Forms Connector <= 1.8 - Missing Authorization to Unauthenticated Information Exposure via 'user/list' REST Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
The WP Forms Connector plugin for WordPress is vulnerable to Information Exposure in all versions up to, and including, 1.8. The plugin registers the REST route wp/v3/user/list/<id> (callback userDetail()) with permission_callback set to '__return_true', and the function's home-grown authentication only verifies that the supplied 'Username' HTTP header maps to an administrator account and that a 'Password' HTTP header is non-empty. It never validates the password with wp_check_password() (unlike the sibling delete_wc_user() function which does). This makes it possible for unauthenticated attackers to retrieve sensitive information for any registered user ID — including the WordPress password hash (user_pass) and email address — by sending a request with a valid administrator login name (commonly the default 'admin') and any arbitrary password value.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Appy Pie WP Forms Connector 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Appy Pie WP Forms Connector是Appy Pie公司的一个WordPress表单连接插件。 Appy Pie WP Forms Connector 1.8及之前版本存在授权问题漏洞，该漏洞源于注册的REST路由wp/v3/user/list/<id>的权限回调设置为'__return_true'，且自定义身份验证仅验证'Username' HTTP标头对应管理员帐户和'Password' HTTP标头非空，未验证密码，可能导致未经身份验证的攻击者检索任何注册用户ID的敏感信息，包括
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

Vendor Product Affected Versions CPE Subscribe
hancock11 WP Forms Connector 0 ~ 1.8 -

II. Public POCs for CVE-2026-9178

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III. Intelligence Information for CVE-2026-9178

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Vendor Advisories for CVE-2026-9178 (1)

IV. Related Vulnerabilities

Same product: WP Forms Connector
Same vendor: hancock11
Same weakness: CWE-862

V. Comments for CVE-2026-9178

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