The ChatGPT system through 2025-03-30 performs inline rendering of SVG documents (instead of, for example, rendering them as text inside a code block), which enables HTML injection within most modern graphical web browsers.

Fullscreen API Spoofing and UI Redressing in the handling of Fullscreen API and UI rendering in OpenAI Operator SaaS on Web allows a remote attacker to capture sensitive user input (e.g., login credentials, email addresses) via displaying a deceptive fullscreen interface with overlaid fake browser controls and a distracting element (like a cookie consent screen) to obscure fullscreen notifications, tricking the user into interacting with the malicious site.