CVE-2025-2836: metagauss registrationmagic – custom registration forms, user registration, payment, and user login Cross-site Scripting

Vulnerability summary

CVE-2025-2836 is a medium (CVSS 6.4) Cross-site Scripting vulnerability in metagauss registrationmagic – custom registration forms, user registration, payment, and user login. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24% of scored vulnerabilities. Fixed in 6.0.4.4.

Timeline

1. 04-04-2025
   PublishedVulnerability first disclosed.
2. 08-04-2026
   Last modifiedVulnerability information updated.

Description

The RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘payment_method’ parameter in all versions up to, and including, 6.0.4.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.