Critical Vulnerability in Advanced Custom Fields: Extended Plugin Puts 100,000 WordPress Sites at Risk

Critical Vulnerability in Advanced Custom Fields: Extended Plugin Puts 100,000 WordPress Sites at Risk

A critical vulnerability in the Advanced Custom Fields: Extended plugin for WordPress could allow attackers to take full control of affected websites without authentication. This flaw, assigned a severity of 9.8, is primarily a privilege escalation issue involving improper user role validation during registration. #WordPress #AdvancedCustomFields

Keypoints

  • The vulnerability affects the Advanced Custom Fields: Extended plugin, impacting up to 100,000 websites.
  • Attackers can register new administrator-level accounts without requiring login credentials.
  • The flaw results from missing role restrictions during user registration, especially in front-end forms.
  • Recent updates in version 0.9.2.2 have implemented validation measures to prevent exploitation.
  • Site owners are advised to update to the latest version or disable the plugin to prevent site takeover.

Read More: https://thecyberexpress.com/acf-add-on-vulnerability-wordpress/