CVE-2017-20208
critical · 9.8The 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 deserialization of untrusted input from the is_expired_by_date() function. This makes it possible for unauthenticated attackers to inject a PHP Object. The additional presence of a POP chain allows attackers to fetch a remote file and install it on the site.
9.8
CVSS
0.7%
EPSS (exploit prob.)
52nd
EPSS percentile
2025-10-18
Published
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-502
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| metagauss | registrationmagic | < 3.7.9.3 |
Check a specific version with /api/v1/cve/match.
References
- https://plugins.trac.wordpress.org/changeset/1733274/custom-registration-form-builder-with-submission-manager
- https://www.wordfence.com/blog/2017/10/3-zero-day-plugin-vulnerabilities-exploited-wild/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/c2b79193-f8fc-4ea2-8973-fe292cfb926b?source=cve
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2017-20208