What’s Vulnerable › Vulnerabilities

CVE-2023-5254: AI ChatBot <= 4.8.9 - Unauthenticated Sensitive Information Exposure via qcld_wb_chatbot_check_user

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-10-19 · updated 2026-06-17
• Weakness: CWE-200

Description

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 – AI ChatBot for Live Support, Lead Generation, AI Services: before 4.9.1 — fixed in 4.9.1

How to fix

Upgrade to a fixed version: quantumcloud WPBot – AI ChatBot for Live Support, Lead Generation, AI Services 4.9.1. Check the vendor advisory for mitigations.

References

• https://plugins.trac.wordpress.org/browser/chatbot/trunk/functions.php#L1224
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2977505%40chatbot%2Ftrunk&old=2967435%40chatbot%2Ftrunk&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/d897daf8-5320-4546-9a63-1d34a15b2a58?source=cve
• https://plugins.trac.wordpress.org/browser/chatbot/trunk/functions.php#L1224
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2977505%40chatbot%2Ftrunk&old=2967435%40chatbot%2Ftrunk&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/d897daf8-5320-4546-9a63-1d34a15b2a58?source=cve

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