Malicious AI Assistant Extensions Harvest LLM Chat Histories

Microsoft Defender has been investigating reports of malicious Chromium‑based browser extensions that impersonate legitimate AI assistant tools to harvest LLM chat histories and browsing data. Reporting indicates these extensions have reached approximately 900,000 installs. Microsoft Defender...

CVE-2026-22793

5ire is a cross-platform desktop artificial intelligence assistant and model context protocol client. Prior to version 0.15.3, an unsafe option parsing vulnerability in the ECharts Markdown plugin allows any user able to submit ECharts code blocks to execute arbitrary JavaScript code in the...

PT-2025-47787

Name of the Vulnerable Software and Affected Versions S2B AI Assistant – ChatBot, ChatGPT, OpenAI, Content & Image Generator plugin for WordPress versions through 1.7.8 Description The software is susceptible to arbitrary file uploads because of a lack of file type validation within the storeFile...

CVE-2025-47777

5ire is a cross-platform desktop artificial intelligence assistant and model context protocol client. Versions prior to 0.11.1 are vulnerable to stored cross-site scripting in chatbot responses due to insufficient sanitization. This, in turn, can lead to Remote Code Execution RCE via unsafe...