Published: 02 July 2021 at 13:27 UTC Updated: 05 July 2021 at 10:03 UTC Cross-Site Scripting and the alert() function have gone hand in hand for decades. Want to prove you can execute arbitrary JavaScript? Pop an alert. Want to find an XSS vulnerability the lazy way? Inject alert()-invoking payloads everywhere and see if anything pops up. However, there's trouble brewing on the horizon. Malicious