CVE-2017-20208 | The RegistrationMagic – Custom Registration Forms, User Regi… | CVSS 9.8 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.

Metadata

CVE ID: CVE-2017-20208
State: PUBLISHED
Assigner: Wordfence
Reserved: 2025-10-17 15:02 UTC
Published: 2025-10-18 03:33 UTC
Last updated: 2026-04-08 17:20 UTC
Primary CWE: CWE-502
CWE-502 Deserialization of Untrusted Data
Vendor / Product: metagauss / RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
metagauss	RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login	—	0 < 3.7.9.3

Weakness (CWE)

CWE	Source	Description
CWE-502	cna	CWE-502 Deserialization of Untrusted Data

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (3)