RegistrationMagic <= 5.1.9.2 - Improper Authorization to Price Change
Strategic Overview
- Status
- Patched in 5.1.9.3
- Affected Plugin
- RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login
- Affected Version
<= 5.1.9.2- CVSS
- 5.3Medium
- Weakness type
- CWE-285 · Improper Authorization
- CVE
CVE-2023-23976
At a glance
CVE-2023-23976 is a medium-severity Improper Authorization vulnerability in the RegistrationMagic WordPress plugin, affecting versions <= 5.1.9.2. 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 5.1.9.3; sites on affected versions should update now. Disclosed January 2023, reported by yuyudhn.
Vulnerability Overview
The RegistrationMagic plugin for WordPress is vulnerable to authorization bypass in versions up to, and including, 5.1.9.2. This makes it possible for unauthenticated attackers to alter the price of registrations.
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-285: Improper Authorization
Reaching this weakness in RegistrationMagic <= 5.1.9.2 takes a caller who can reach the endpoint. Improper authorization means a permission check exists but does not cover the case being exercised, so a caller who is allowed to do one thing is allowed to do a neighbouring thing as well.
A lower-privileged account performs an action reserved for a higher one, which on a multi-author or membership site means an ordinary user reaching administrative behaviour. For RegistrationMagic the fix is 5.1.9.3: builds <= 5.1.9.2 are affected, anything from 5.1.9.3 onward is not.
Remediation
Update to version 5.1.9.3, or a newer patched version
How does WordSec protect against this?
Because it turns on account access, WordSec's login security is the relevant layer: role-based two-factor, captcha and brute-force limits raise the cost of getting the account this needs. None of that substitutes for the fix: RegistrationMagic 5.1.9.3 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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