11th January 2007 - Link Blog
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
- The Axios supply chain attack used individually targeted social engineering - 3rd April 2026
- Highlights from my conversation about agentic engineering on Lenny's Podcast - 2nd April 2026
- Mr. Chatterbox is a (weak) Victorian-era ethically trained model you can run on your own computer - 30th March 2026