Are there any more sites like this, for other languages or frameworks? This and others like it would be a great addition to our chatbot's morning news update. :)
Check wayback for http://www.pivx.com/larholm/unpatched around 2002 to see some samples.
In those days, browser exploits were not really seen as something of value. Everyone thought, "You have to trick the victim into visiting your web page? Pff". That's when hacking was still done by silently hitting vulnerable services, with no user interaction. Crazy how times have changed...
(Sorry, not what you were asking for, but reminded me of that page.)