CVE-2023-3343
User Registration <= 3.0.1 - Authenticated (Subscriber+) PHP Object Injection
- State
- Published
- Severity
- 8.8 High
- Published
- Jul 13, 2023
- Updated
- Apr 8, 2026
- Reserved
- Jun 20, 2023
Description
The User Registration plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 3.0.1 via deserialization of untrusted input from the 'profile-pic-url' parameter. This allows authenticated attackers, with subscriber-level permissions and above, to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | Wordfence |
Weaknesses
- CWE-502 Deserialization of Untrusted Data
Affected Products
| Product | Versions |
|---|---|
User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builderwpeverest |
|
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/3590277a-3319-4707-b728-d75ea59e8ad9?source=cve
- https://plugins.trac.wordpress.org/browser/user-registration/tags/3.0.1/includes/functions-ur-core.php#L3156
- https://plugins.trac.wordpress.org/changeset/2932199/user-registration/trunk/includes/functions-ur-core.php#file0
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