CVE-2026-16773
WPBot <= 8.5.9 - Unauthenticated Sensitive Information Exposure in 'wpbot_send_email_transcript' AJAX Action
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
The WPBot – AI ChatBot for Live Support, Lead Generation, AI Services plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 8.5.9 via the wpbot_send_email_transcript_free. This makes it possible for unauthenticated attackers to exfiltrate full chat transcripts and associated user PII — including names, email addresses, and phone numbers — stored in the wpbot_user and wpbot_conversation tables to an attacker-controlled email address.
| CWE | CWE-200 |
| Vendor | quantumcloud |
| Product | wpbot – ai chatbot for live support, lead generation, ai services |
| Published | Jul 28, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
quantumcloud / WPBot – AI ChatBot for Live Support, Lead Generation, AI Services
0 ≤ 8.5.9
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/5463548c-22bd-4645-a94d-ee8c6a236337?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/chatbot/tags/8.5.9/includes/chat-sessions/wpbot-chat-sessions.php#L746 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/chatbot/tags/8.5.9/includes/chat-sessions/wpbot-chat-sessions.php#L707 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/chatbot/tags/8.5.9/includes/chat-sessions/wpbot-chat-sessions.php#L690 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/chatbot/tags/8.5.9/includes/chat-sessions/wpbot-chat-sessions.php#L702 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?reponame=&old=3621386%40chatbot&new=3621386%40chatbot
Credits
Wordfence PRISM