CVE-2023-3343

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.

8.8

CVSS

Severity: High

CVSS 3.1 •

EPSS 0.31%

Third-Party Advisory wordfence.com

Affected: wpeverest User Registration – Custom Registration Form, Login Form And User Profile For WordPress

References

Link	Tags
https://www.wordfence.com/threat-intel/vulnerabilities/id/3590277a-3319-4707-b728-d75ea59e8ad9?source=cve	third party advisory
https://plugins.trac.wordpress.org/browser/user-registration/tags/3.0.1/includes/functions-ur-core.php#L3156	patch
https://plugins.trac.wordpress.org/changeset/2932199/user-registration/trunk/includes/functions-ur-core.php#file0	patch

Frequently Asked Questions

What is the severity of CVE-2023-3343?: CVE-2023-3343 has been scored as a high severity vulnerability.
How to fix CVE-2023-3343?: To fix CVE-2023-3343, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-3343 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-3343 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-3343?: CVE-2023-3343 affects wpeverest User Registration – Custom Registration Form, Login Form And User Profile For WordPress.

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