CVE-2026-16773: medium-severity vulnerability in quantumcloud WPBot – AI ChatBot for Live…
WPBot <= 8.5.9 - Unauthenticated Sensitive Information Exposure in 'wpbot_send_email_transcript' AJAX Action
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.3epss 0.5%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Related CVEs — quantumcloud WPBot – AI ChatBot for Live…
In the same product, most dangerous first.
CVE-2023-5204CRITICALAI ChatBot <= 4.8.9 - Unauthenticated SQL Injection via qc_wpbo_search_responseEPSS 7.8%CVE-2023-5241CRITICALAI ChatBot <= 4.8.9 and 4.9.2 - Authenticated (Subscriber+) Directory Traversal to Arbitrary File Write via qcld_openai_upload_pagetraining_fileEPSS 2.6%CVE-2023-5212CRITICALAI ChatBot <= 4.8.9 and 4.9.2- Authenticated (Subscriber+) Arbitrary File Deletion via qcld_openai_delete_training_fileEPSS 2.0%CVE-2023-5254MEDIUMAI ChatBot <= 4.8.9 - Unauthenticated Sensitive Information Exposure via qcld_wb_chatbot_check_userEPSS 0.9%CVE-2026-13731HIGHWPBot <= 8.4.9 - Unauthenticated Stored Cross-Site Scripting via 'conversation' ParameterEPSS 0.9%CVE-2023-5533MEDIUMAI ChatBot <= 4.8.9 and 4.9.2 - Missing Authorization on AJAX actionsEPSS 0.6%
References
https://plugins.trac.wordpress.org/browser/chatbot/tags/8.5.9/includes/chat-sessions/wpbot-chat-sessions.php#L690https://plugins.trac.wordpress.org/browser/chatbot/tags/8.5.9/includes/chat-sessions/wpbot-chat-sessions.php#L702https://plugins.trac.wordpress.org/browser/chatbot/tags/8.5.9/includes/chat-sessions/wpbot-chat-sessions.php#L707https://plugins.trac.wordpress.org/browser/chatbot/tags/8.5.9/includes/chat-sessions/wpbot-chat-sessions.php#L746https://plugins.trac.wordpress.org/changeset?reponame=&old=3621386%40chatbot&new=3621386%40chatbothttps://www.wordfence.com/threat-intel/vulnerabilities/id/5463548c-22bd-4645-a94d-ee8c6a236337?source=cve