Archives for the Date July 29th, 2018

Bypassing DOMPurify with mXSS

I noticed DOMPurify would let you use the title tag when injecting a self closing SVG. Normally it blocks title outside of SVG however using the self closing trick you could bypass that restriction. <svg/><title> Injecting the title tag is important because it mutates, as I’ve tweeted about in the past. In order for the […]