CVE-2017-20208: The RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login plugin for WordPress is vulnerable to PHP Object Injection in all versions up to 3.7.9.3 (exclusive) via d

critical Affects custom-registration-form-builder-with-submission-manager (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login plugin for WordPress is vulnerable to PHP Object Injection in all versions up to 3.7.9.3 (exclusive) via d

Package
custom-registration-form-builder-with-submission-manager (WordPress plugin) WordPress
Affected versions
<3.7.9.3
Fixed in
3.7.9.3
Severity
critical  CVSS 9.8
Exploitation
not on CISA KEV · EPSS 1% (53.3th percentile)
Published
2025-10-18
Source
nvd

References

CWE-502
NVD recordcustom-registration-form-builder-with-submission-manager (WordPress plugin) advisories

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

Install docs   How findings are ranked

Related advisories