API calls and requests for resources can sometimes be diverted toward a different endpoint on the same host, potentially resulting in DOM XSS’s that would otherwise be impossible to trigger, or other types of client-side vulnerabilities.
Intigrity December XSS Challenge
Using hashchange events to control a vulnerable page and escalate an otherwise mostly harmless DOM XSS
BugPoC Wacky XSS Challenge
Bypassing CSP and SRI with HTML injection and DOM Clobbering