CVE-2026-15610
MediumCVSS 4.3Exploitation Probability (EPSS)
Low risk14th percentile - higher than 14% of all known CVEs
Summary
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).
Risk Assessment
The risk includes unauthorized consumption of paid API credits, potentially leading to unexpected financial costs and possible data integrity issues in the rag_documents table.
Recommendation
It is recommended to immediately update the WPBot plugin to the latest available version that fixes this vulnerability. Also, restrict user permissions to the minimum necessary for their roles.
Other vulnerabilities in WPBot – AI ChatBot
See all- CVE-2026-16773Medium
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.
- 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 authorization bypass in all versions up to, and including, 8.5.6. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to 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).