CVE-2026-16736— User Registration & Membership < 5.2.6 - Unauthenticated Account Creation While Registration Disabled
Quick assessment
Affected
Unknown User Registration & Membership
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.
WordPress User Registration & Membership是WordPress基金会的一个用户注册与会员管理组件。 WordPress User Registration & Membership 5.2.6之前版本存在安全漏洞，该漏洞源于未执行站点的注册禁用设置，导致未认证用户可以创建新账户。
Possible ATT&CK Techniques 1 AI
T1136 · Create AccountAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Unknown | User Registration & Membership | < 5.2.6 |
affected |
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I. Basic Information for CVE-2026-16736
Vulnerability Information
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Vulnerability Title
User Registration & Membership < 5.2.6 - Unauthenticated Account Creation While Registration Disabled
Source: CVE Program / CVE List V5
Vulnerability Description
The User Registration & Membership WordPress plugin before 5.2.6 does not enforce the site's registration-disabled setting when processing registration-form submissions, allowing unauthenticated users to create new accounts even when the administrator has turned off open registration.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress User Registration & Membership 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress User Registration & Membership是WordPress基金会的一个用户注册与会员管理组件。 WordPress User Registration & Membership 5.2.6之前版本存在安全漏洞，该漏洞源于未执行站点的注册禁用设置，导致未认证用户可以创建新账户。
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 |
|---|---|---|---|---|
| Unknown | User Registration & Membership | 0 ~ 5.2.6 | - |
|
II. Public POCs for CVE-2026-16736
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-16736 (1)
-
🔗 User Registration & Membership < 5.2.6 – Unauthenticated Account Creation While Registration Disabled | CVE 2026-16736 | Plugin Vulnerabilities Read full article exploit vdb-entry technical-description
Same Patch Batch · Unknown · 2026-08-05 · 24 CVEs total
| CVE-2026-16993 | DHL for WooCommerce < 4.0.1 - Unauthenticated Shipping Label Disclosure via Unprotected Up | |
| CVE-2026-17515 | MLS Import < 7.0.4 - Subscriber+ Sensitive Information Disclosure via mlsimport_logger_per | |
| CVE-2026-16036 | miniOrange 2FA < 6.2.7 - 2FA Bypass via Password-Only Second-Factor Rebinding | |
| CVE-2026-16055 | Contest Gallery < 30.0.7 - Unauthenticated Login-Protection and 2FA Bypass via post_cg_log | |
| CVE-2025-15677 | GeoDirectory < 2.8.110 - Editor+ Stored XSS via Place Categories | |
| CVE-2026-14553 | Zportals < 6.3.4 - Subscriber+ Arbitrary File Upload | |
| CVE-2026-15210 | Login/Signup with Phone Number, OTP Verification < 1.8.71 - Unauthenticated Account Takeov | |
| CVE-2026-15230 | YayPricing < 3.5.7 - Subscriber+ Pricing Configuration Modification and Coupon Code Disclo | |
| CVE-2026-15372 | WP 2FA < 4.1.0 - Two-Factor Authentication Bypass via Passkeys Provider | |
| CVE-2026-15360 | Ajax Load More < 8.0.1 - Unauthenticated SQL Injection via custom_args | |
| CVE-2026-16940 | Custom Fields for WooCommerce < 1.5.1 - Unauthenticated Arbitrary File Deletion via Path T | |
| CVE-2026-16981 | DHL for WooCommerce < 4.0.1 - Unauthenticated Shipping Label Download via IDOR | |
| CVE-2026-16561 | Sunshine Photo Cart < 3.6.12 - Unauthenticated Private Gallery Comment Disclosure | |
| CVE-2026-16968 | GeoDirectory < 2.8.168 - Contributor+ User Email Disclosure via geodir_json_search_users | |
| CVE-2026-16942 | WP Custom HTML Pages <= 0.6.2 - Author+ Stored XSS | |
| CVE-2026-16603 | Content Protector (Passster) < 4.3.6 - Unauthenticated Category-Locked Content Disclosure | |
| CVE-2026-16613 | GDPR Cookie Compliance < 5.1.0 - Cookie Deletion and Forced Logout via CSRF | |
| CVE-2026-16604 | Content Protector (Passster) < 4.3.6 - Unauthenticated Protected Content Disclosure via Co | |
| CVE-2026-16746 | MultiVendorX < 5.0.11 - Store Owner+ Cross-Store Commission Data Disclosure via commission | |
| CVE-2026-16605 | MultiVendorX < 5.0.11 - Store Owner+ Cross-Vendor Store Takeover and Deletion via Missing |
Showing top 20 of 24 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: User Registration & Membership
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V. Comments for CVE-2026-16736
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