CVE-2017-20208
Critical
Description
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 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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductMetagauss Registrationmagic
PublishedOct 18, 2025
First seenOct 18, 2025
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Update
- metagauss registrationmagic3.7.9.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| metagauss registrationmagic | v < 3.7.9.3 | 3.7.9.3 |
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