PT-2023-24339 · WordPress · User Registration

István Márton + 1 · Published 2023-07-13 · Updated 2023-08-28 · CVE-2023-3342

Positive Technologies (AI Summary)

CVSS v3.1

9.9

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions User Registration plugin for WordPress versions up to, and including, 3.0.2

Description The issue arises from a hardcoded encryption key and missing file type validation on the ur upload profile pic function. This allows authenticated attackers with subscriber-level capabilities or above to upload arbitrary files on the affected site's server, potentially enabling remote code execution.

Recommendations For versions up to, and including, 3.0.2, update to version 3.0.2.1 to fully patch the issue. As a temporary workaround, consider disabling the ur upload profile pic function until a patch is available.

Exploit

Fix

RCE

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2023-3342

Affected Products

User Registration

References · 10

• 🔥 https://lana.codes/lanavdb/c0a58dff-7a5b-4cc0-82d6-2255e61d801c · Exploit
• https://plugins.trac.wordpress.org/changeset/2933689/user-registration/trunk/includes/functions-ur-core.php · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-3342 · Security Note
• https://plugins.trac.wordpress.org/browser/user-registration/tags/3.0.1/includes/functions-ur-core.php#L3156 · Patch
• https://osv.dev/vulnerability/CVE-2023-3342 · Vendor Advisory
• https://t.me/cvenotify/54352 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1696187338001379771 · Twitter Post
• http://packetstormsecurity.com/files/173434/WordPress-User-Registration-3.0.2-Arbitrary-File-Upload.html · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/a979e885-f7dd-4616-a881-64f3d97c309d?source=cve · Note
• https://t.me/cvenotify/54206 · Telegram Post