CVE-2021-4343CWE-862

uListing <= 1.6.6 - Unauthenticated Arbitrary Account Creation

Critical · published June 7, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
72.1
In the wild
Unconfirmed
What it is

🔥 An unsuspecting AJAX action is the key to a major mishap! The Unauthenticated Account Creation plugin for WordPress lets anyone create user accounts, even with admin powers! Think of it as a restaurant where anyone can just walk in and claim to be the head chef without any verification — chaos in the kitchen, right? That’s exactly what’s happening here with account roles left unprotected! This vulnerability allows attackers to create user accounts with administrative privileges, essentially turning them into digital overlords. Imagine a malicious user having free rein to change settings, access sensitive information, or even dismantle your site from the inside out. It's an absolute nightmare scenario!

Put simply

Think of it as a restaurant where anyone can just walk in and claim to be the head chef without any verification — chaos in the kitchen, right? That’s exactly what’s happening here with account roles left unprotected! The issue arises from the stm_listing_register AJAX action function being accessible without proper authentication checks, allowing unauthorized users to register accounts and assign roles—potentially granting admin status.

What to do

This vulnerability allows attackers to create user accounts with administrative privileges, essentially turning them into digital overlords. Imagine a malicious user having free rein to change settings, access sensitive information, or even dismantle your site from the inside out. It's an absolute nightmare scenario! To fix this, update the Unauthenticated Account Creation plugin to version 1.6.7 or above immediately. Additionally, review your user roles and permissions to ensure no rogue accounts slip through. Don’t forget to audit any new accounts created during this vulnerability window! You've got this! Just follow these steps, and you'll have your WordPress site secure in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01388 · 72.1th percentile
Weakness
CWE-862 · Missing Authorization
Published
2023-06-07T01:51Z
EPSS history
Timeline
  • 07 JUN 01:51Z
    uListing <= 1.6.6 - Unauthenticated Arbitrary Account Creation
    cvelistv5