PT-2023-24340 · WordPress · User Registration

István Márton + 1 · Published 2023-07-13 · Updated 2023-07-25 · CVE-2023-3343

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions User Registration plugin for WordPress versions up to, and including, 3.0.1

Description The issue allows authenticated attackers with subscriber-level permissions and above to inject a PHP Object via deserialization of untrusted input from the profile-pic-url parameter. This could potentially lead to the deletion of arbitrary files, retrieval of sensitive data, or execution of code if a POP chain is present via an additional plugin or theme installed on the target system.

Recommendations For versions up to, and including, 3.0.1, update to a version that contains a fix for this issue to prevent PHP Object Injection. As a temporary workaround, consider restricting access to the profile-pic-url parameter to minimize the risk of exploitation.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2023-3343

Affected Products

User Registration

References · 6

• https://osv.dev/vulnerability/CVE-2023-3343 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-3343 · Security Note
• https://plugins.trac.wordpress.org/changeset/2932199/user-registration/trunk/includes/functions-ur-core.php#file0 · Patch
• https://plugins.trac.wordpress.org/browser/user-registration/tags/3.0.1/includes/functions-ur-core.php#L3156 · Patch
• https://wordfence.com/threat-intel/vulnerabilities/id/3590277a-3319-4707-b728-d75ea59e8ad9?source=cve · Note
• https://t.me/cvenotify/54218 · Telegram Post