CVE-2026-16773
MediumCVSS 5.3Exploitation Probability (EPSS)
Low risk20th percentile - higher than 20% of all known CVEs
Summary
The WPBot – AI ChatBot plugin for WordPress up to version 8.5.9 is vulnerable to Sensitive Information Exposure via the wpbot_send_email_transcript_free function. This allows unauthenticated attackers to exfiltrate full chat transcripts and associated user PII (names, email addresses, phone numbers) stored in the wpbot_user and wpbot_conversation tables to an attacker-controlled email address.
Risk Assessment
An attacker can access sensitive user data, violating privacy and potentially leading to identity theft or other abuses.
Recommendation
Immediately update the WPBot plugin to the latest available version that contains the fix for this vulnerability.
Other vulnerabilities in WPBot – AI ChatBot
See all- CVE-2026-15610Medium
The WPBot – AI ChatBot plugin for WordPress up to version 8.5.6 has an authorization bypass vulnerability. An authenticated attacker with subscriber-level access or higher can trigger arbitrary re-embedding of stored RAG documents, modifying the rag_documents table and consuming the site owner's paid third-party AI API credits (OpenAI, Gemini, OpenRouter, or xAI).
- CVE-2026-15106Medium
The WPBot – AI ChatBot plugin for WordPress up to version 8.5.6 has an authorization bypass vulnerability that allows unauthenticated attackers to delete arbitrary chat session records from the database, including chat history and conversation logs. The issue stems from insufficient user permission verification before performing actions.
- CVE-2026-13731High
The WPBot – AI ChatBot plugin for WordPress up to version 8.4.9 is vulnerable to stored cross-site scripting via the 'conversation' parameter due to insufficient input sanitization and output escaping. Unauthenticated attackers can inject arbitrary web scripts that execute when users access affected pages. The AJAX nonce required for saving is publicly exposed on every frontend page, removing practical exploitation barriers.
Original NVD description (English source)
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.