CVE-2023-3343 Information

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.

CVSS Vector

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

Reference

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 https://www.wordfence.com/threat-intel/vulnerabilities/id/3590277a-3319-4707-b728-d75ea59e8ad9?source=cve 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.

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8