The Adobe PDF XSS Vulnerability. If you host a PDF file anywhere on your site, you’re vulnerable to an XSS attack due to a bug in Acrobat Reader versions below 8. The fix is to serve PDFs as application/octet-stream to avoid them being displayed inline.
Recent articles
- Claude can write complete Datasette plugins now - 8th October 2025
- Vibe engineering - 7th October 2025
- OpenAI DevDay 2025 live blog - 6th October 2025