This site hosts various web pages with hidden prompt injection techniques. When an AI agent is asked to summarize or extract content from these pages, the hidden injections may attempt to manipulate the agent.
Hidden text injection via CSS (display:none, visibility:hidden, white-on-white)
Injection in data attributes, alt text, and aria labels
Injection hidden in comments and noscript tags
Markdown-style injection in content
Injection in form labels and placeholders
Unicode obfuscation and zero-width characters
Injection in schema.org structured data
Injection in user-generated content fields
Injection disguised as code comments
Injection in image metadata and captions
All injection techniques combined
display: none - Content hidden via CSSvisibility: hidden - Invisible but presentcolor: white - White text on white backgroundfont-size: 0 - Zero-size textposition: absolute; left: -9999px - Off-screen positioning<!-- injection -->data-prompt="injection"alt="injection"aria-label="injection"data:text/plain;base64,...