RegistrationMagic - Custom Registration Forms <= 3.7.9.2 - PHP Object Injection
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Metagauss | RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login | before 3.7.9.3 | 3.7.9.3 | Patch available | CNA |
- RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login VendorMetagauss Affected before 3.7.9.3 Fixed in 3.7.9.3 Patch available CNA
Remediation
- Fix · CNA RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login (metagauss) Fixed in 3.7.9.3
Timeline
- 2026-10-02 Threatist record created from CVE-2017-20208
- 2026-10-03 Alias added: GHSA-5g96-pc88-j7fx
References
More Metagauss Registrationmagic vulnerabilities
- TI-2021-07144 RegistrationMagic < 5.0.1.6 - Admin+ SQL Injection CVSS 3.1HIGH 7.2
- TI-2021-02957 RegistrationMagic <= 5.0.1.7 Authentication Bypass CVSS 3.1CRITICAL 9.8
- TI-2024-08712 RegistrationMagic < 6.0.2.1 - Stored XSS CVSS 3.1MEDIUM 4.8
- TI-2024-09734 RegistrationMagic – User Registration Plugin with Custom Registration Forms <= 6.0.2.6… CVSS 3.1CRITICAL 9.8
- TI-2023-02346 RegistrationMagic <= 5.2.1.0 - Authentication Bypass CVSS 3.1CRITICAL 9.8
- TI-2020-07568 In the RegistrationMagic plugin through 4.6.0.3 for WordPress, the export function allows… CVSS 3.1HIGH 8.8
Sources
- CVE-2017-20208 · CVE Program
- CVE-2017-20208 · NVD
- FIRST EPSS
- GHSA-5g96-pc88-j7fx · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences