WPBot <= 8.5.9 - Unauthenticated Sensitive Information Exposure in 'wpbot_send_email_transcript' AJAX Action

5.3
Exposure of Sensitive Information to an Unauthorized Actor
CVE CVE-2026-16773
CVSS 5.3 (Medium)
Publicly Published July 27, 2026
Last Updated July 28, 2026
Researcher Wordfence PRISM - Wordfence

Description

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.

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Vulnerability Details for WPBot – AI ChatBot for Live Support, Lead Generation, AI Services

Software Type Plugin
Software Slug chatbot (view on wordpress.org)
Patched? Yes
Remediation Update to version 8.6.0, or a newer patched version
Affected Version
  • <= 8.5.9
Patched Version
  • 8.6.0

Recent vulnerabilities in WPBot – AI ChatBot for Live Support, Lead Generation, AI Services

# Title CVE ID CVSS Researchers Date
1 WPBot <= 8.5.9 - Missing Authorization to Unauthenticated Email Relay via wpcs_send_email AJAX Action CVE-2026-16774 5.3 Wordfence PRISM July 27, 2026
2 WPBot <= 8.5.6 - Missing Authorization to Unauthenticated Arbitrary Chat Session Deletion via 'userid' Parameter CVE-2026-15106 5.3 Wordfence PRISM July 15, 2026
3 WPBot <= 8.5.6 - Missing Authorization to Authenticated (Subscriber+) Arbitrary RAG Document Re-Sync via ajax_rag_manual_sync() Function CVE-2026-15610 4.3 Wordfence PRISM July 15, 2026
4 WPBot AI ChatBot <= 8.5.1 - Authenticated (Administrator+) SQL Injection CVE-2026-14189 4.9 Mustafa Ahmed July 6, 2026
5 WPBot – AI ChatBot for Live Support, Lead Generation, AI Services <= 8.3.7 - Unauthenticated Stored Cross-Site Scripting CVE-2026-57363 7.2 daroo July 6, 2026
6 WPBot – AI ChatBot for Live Support, Lead Generation, AI Services <= 8.3.2 - Reflected Cross-Site Scripting CVE-2026-57362 6.1 Nguyen Dinh Hai (HaiND) July 1, 2026
7 WPBot <= 8.4.9 - Unauthenticated Stored Cross-Site Scripting via 'conversation' Parameter CVE-2026-13731 7.2 Wordfence PRISM June 30, 2026
8 WPBot AI ChatBot <= 8.1.0 - Missing Authorization CVE-2026-14185 4.3 Mustafa Ahmed June 30, 2026
9 WPBot – AI ChatBot for Live Support, Lead Generation, AI Services <= 7.9.7 - Missing Authorization CVE-2026-40788 4.3 Mehdi Ouassou April 23, 2026
10 WPBot – AI ChatBot for Live Support, Lead Generation, AI Services <= 7.7.9 - Unauthenticated SQL Injection CVE-2026-32499 7.5 Nguyen Ba Khanh March 20, 2026

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