Evil GIFs: Partial Same Origin Bypass with Hybrid Files. First there were PNGs that had crossdomain.xml files embedded in them, now there are GIFs that contain Java applets (as JAR files). At this point I’d say don’t even bother trying to validate uploaded files, just make sure they’re served off an entirely different domain instead where XSS doesn’t matter.
Recent articles
- ChatGPT in "4o" mode is not running the new features yet - 15th May 2024
- Slop is the new name for unwanted AI-generated content - 8th May 2024
- Weeknotes: more datasette-secrets, plus a mystery video project - 7th May 2024
- Weeknotes: Llama 3, AI for Data Journalism, llm-evals and datasette-secrets - 23rd April 2024
- Options for accessing Llama 3 from the terminal using LLM - 22nd April 2024
- AI for Data Journalism: demonstrating what we can do with this stuff right now - 17th April 2024