CVE-2026-77794— RegistrationMagic 6.0.0.0 - 6.0.9.8 - Unauthenticated Payment Bypass via Zero Quantity
Quick assessment
Affected
Unknown RegistrationMagic
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.
RegistrationMagic WordPress 插件在 6.0.9.9 版本之前，在计算付费注册的总价时，未验证客户端提供的数量乘数，从而允许未认证用户在不支付费用的情况下完成注册，并获得该表单所赋予角色且已激活的账户。
Possible ATT&CK Techniques 1 AI
T1598.003 · Spearphishing Link
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I. Basic Information for CVE-2026-77794
Vulnerability Information
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Vulnerability Title
RegistrationMagic 6.0.0.0 - 6.0.9.8 - Unauthenticated Payment Bypass via Zero Quantity
Source: CVE Program / CVE List V5
Vulnerability Description
The RegistrationMagic WordPress plugin before 6.0.9.9 does not validate a client-supplied quantity multiplier when calculating the total price of a paid registration, allowing unauthenticated users to register without paying and obtain an activated account holding the role the form grants.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Unknown | RegistrationMagic | 6.0.0.0 ~ 6.0.9.9 | - |
|
II. Public POCs for CVE-2026-77794
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-77794 (1)
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RegistrationMagic 6.0.0.0 – 6.0.9.8 – Unauthenticated Payment Bypass via Zero Quantity | CVE 2026-77794 | Plugin Vulnerabilities exploit vdb-entry technical-description
Same Patch Batch · Unknown · 2026-09-02 · 66 CVEs total
| CVE-2026-4357 | 10.0 CRITICAL | Embed HTML5 Game <= 1.3 - Unauthenticated Arbitrary File Upload |
| CVE-2026-77009 | 9.9 CRITICAL | WatchMan-Site7 3.1.1 - 4.2.0 - Subscriber+ RCE via Debug Console |
| CVE-2025-9314 | 9.8 CRITICAL | Developer Tools <= 1.1.3 – Unauthenticated Arbitrary File Upload |
| CVE-2025-15485 | 8.2 HIGH | Auto x LINE <= 1.0.0 – Unauthenticated REST API Endpoints Call |
| CVE-2026-82884 | 6.8 MEDIUM | All in One SEO < 5.0.0.1 - Contributor+ Stored XSS via ai-assistant Block |
| CVE-2026-83547 | 6.8 MEDIUM | Xpro Elementor Addons 1.6.0 - 1.7.3 - Contributor+ Stored XSS via Multiple Widgets |
| CVE-2026-10821 | 6.6 MEDIUM | Yoast SEO Premium < 27.6.1 - Author+ Arbitrary .htaccess Directive Injection to RCE |
| CVE-2026-2688 | 6.5 MEDIUM | CM HIPAA Forms < 3.2.0 - Unauthenticated Authorization Bypass |
| CVE-2024-3773 | 5.9 MEDIUM | LiveJournal Shortcode <= 1.1.1 - Contributor+ Stored XSS via Shortcode |
| CVE-2026-2811 | 5.4 MEDIUM | Ajaxify Comments < 3.2 - Unauthenticated HTTP Header Injection |
| CVE-2026-8151 | 5.4 MEDIUM | Simple Membership MailChimp Integration < 1.9.8 - API Key Update via CSRF |
| CVE-2025-8945 | 5.3 MEDIUM | Wp Edit Password Protected < 1.3.5 - Protection Bypass via REST API |
| CVE-2026-78153 | 5.3 MEDIUM | Restrict User Access 2.6 - 2.8 - Unauthenticated Content Protection Bypass via REST API Ro |
| CVE-2026-83533 | 5.3 MEDIUM | WP Express Checkout < 2.4.9 - Unauthenticated Payment Bypass via wpec_process_payment |
| CVE-2025-15481 | 5.3 MEDIUM | Notification Bar for WordPress <= 1.1.8 – Unauthenticated Subscriber Data Disclosure |
| CVE-2025-15489 | 5.3 MEDIUM | Passster < 4.2.24 - Password Protection Bypass |
| CVE-2026-77793 | 5.3 MEDIUM | RegistrationMagic < 6.0.9.9 - Unauthenticated Payment Bypass via Omitted Price Field |
| CVE-2025-15490 | 5.3 MEDIUM | Passster < 4.2.26 - Global Protection Bypass |
| CVE-2026-17563 | 5.3 MEDIUM | WP User Frontend < 4.3.11 - Unauthenticated Post Creation via Subscription-Gated Form |
| CVE-2026-81571 | 4.8 MEDIUM | Brave Popup Builder < 0.8.8 - Unauthenticated Arbitrary Shortcode Execution via UTM Parame |
Showing top 20 of 66 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: RegistrationMagic
-
CVE-2026-77793
RegistrationMagic < 6.0.9.9 - Unauthenticated Payment Bypass -
CVE-2026-77792
RegistrationMagic < 6.0.9.9 - Unauthenticated Stored XSS via -
CVE-2026-82225
WordPress RegistrationMagic plugin <= 6.0.9.8 - Broken Authe -
CVE-2026-82221
WordPress RegistrationMagic plugin <= 6.0.9.8 - Cross Site S -
CVE-2026-77790
RegistrationMagic < 6.0.9.4 - Admin+ SQLi via 'rm_sortby' Pa
Same vendor: Unknown
-
CVE-2026-2811
Ajaxify Comments < 3.2 - Unauthenticated HTTP Header Injecti -
CVE-2025-9314
Developer Tools <= 1.1.3 – Unauthenticated Arbitrary File Up -
CVE-2025-8945
Wp Edit Password Protected < 1.3.5 - Protection Bypass via R -
CVE-2025-15490
Passster < 4.2.26 - Global Protection Bypass -
CVE-2025-15489
Passster < 4.2.24 - Password Protection Bypass
V. Comments for CVE-2026-77794
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