RegistrationMagic <= 6.0.9.4 - Unauthenticated Price Manipulation
Strategic Overview
- Status
- Patched in 6.0.9.5
- Affected Plugin
- RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login
- Affected Version
<= 6.0.9.4- CVSS
- 5.3Medium
- Weakness type
- CWE-602 · Client-Side Enforcement of Server-Side Security
- CVE
CVE-2026-15208
At a glance
CVE-2026-15208 is a medium-severity Client-Side Enforcement of Server-Side Security vulnerability in the RegistrationMagic WordPress plugin, affecting versions <= 6.0.9.4. It carries a CVSS score of 5.3 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 6.0.9.5; sites on affected versions should update now. Disclosed July 2026, reported by Pedro Pinho.
Vulnerability Overview
The RegistrationMagic plugin for WordPress is vulnerable to Price Manipulation in versions up to, and including, 6.0.9.4. This is due to a lack of server-side verification of the captured payment amount, currency, invoice ID, and custom payment key against the locally stored payment log in the PayPal SDK callback handler. This makes it possible for unauthenticated attackers to bypass payment requirements and complete paid form registrations without making a valid payment by supplying a PayPal capture ID for an arbitrary or previously completed transaction.
Technical Analysis
The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site, and no interaction from a victim user.
CWE-602: Client-Side Enforcement of Server-Side Security
The product is composed of a server that relies on the client to implement a mechanism that is intended to protect the server.
Remediation
Update to version 6.0.9.5, or a newer patched version
How does WordSec protect against this?
This one needs no account at all, which puts it outside what login hardening can reach; WordSec's login security narrows the account-level paths around it, and the firewall is what inspects the request itself. None of that substitutes for the fix: RegistrationMagic 6.0.9.5 closes this, and updating the plugin is the step that ends it.
- Login Security
- Alerts
External References
Related records
Other vulnerabilities in RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login
- 9.9CVE-2020-9456: RegistrationMagic Privilege Escalation
CVE-2020-9456 - 9.9CVE-2020-9457: RegistrationMagic Settings Import
CVE-2020-9457 - 9.8CVE-2026-24373: RegistrationMagic Authentication Bypass
CVE-2026-24373 - 9.8CVE-2025-15403: RegistrationMagic <= 6.0.7.1 Privilege Escalation
CVE-2025-15403 - 9.8CVE-2024-10508: RegistrationMagic Privilege Escalation
CVE-2024-10508 - 9.8CVE-2023-2499: RegistrationMagic <= 5.2.1.0 Authentication Bypass
CVE-2023-2499 - 9.8CVE-2021-4073: RegistrationMagic <= 5.0.1.7 Authentication Bypass
CVE-2021-4073 - 9.8CVE-2017-20208: RegistrationMagic - Custom… PHP Object Injection
CVE-2017-20208
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