CVE-2023-5254: Quantumcloud Wpbot

Medium severity, CVSS 5.3. EPSS: 0.8% chance of exploitation in the next 30 days.

The ChatBot plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 4.8.9 via the qcld_wb_chatbot_check_user function. This can allow unauthenticated attackers to extract sensitive data including confirmation as to whether a user name exists on the site as well as order information for existing users.

Affected products

• Quantumcloud Wpbot: before 4.9.1 (fixed in 4.9.1)

Published 2023-10-19. Last modified 2026-06-17.