Simon Willison’s Weblog

Blogmarks tagged javascript, firefox, security

Filters: Type: blogmark × javascript × firefox × security ×

eval() Kerfuffle. The ability to read supposedly private variables in Firefox using a second argument to eval() will be removed in Firefox 3.1. # 2nd July 2008, 9:24 pm

Javascript protocol fuzz results. If your HTML sanitizer uses blacklisting rather than whitelisting here are a few more weird ways of injecting javascript: in to a link that you need to worry about—but you should really switch to whitelisting http:// and https:// instead. # 30th June 2008, 3:57 pm

HTTPOnly cookie support in Firefox. Five years after the bug was filed, HTTPOnly cookie support has gone in to the Mozilla 1.8 branch. This is a defence in depth feature that has been in IE for years—it lets you set cookies that aren’t available to JavaScript, and hence can’t be hijacked in the event of an XSS flaw. # 6th September 2007, 6:27 am