foorw1nner·Sep 8How a simple postMessage validation failure earned me a $250 reward for an XSS on the DOM.A look at how an insecure includes() check allowed an attacker-controlled domain to bypass an origin allowlist and reach a dangerous DOM…A response icon1A response icon1
Saksham Baral·Mar 9Same Origin Policy and PostMessageHello Learners, You are authorized to know me as Obfuscator!
Deepak Kharah·Dec 19, 2025Your Browser Tabs Are Strangers. Let’s Fix That Using Broadcast Channel APIsBridge the gap between isolated browsing contexts. This deep dive explores using the Broadcast Channel API as a client-side event bus.
NottDev·Nov 10, 2025Lightweight utils to wire up parent <-> iframe messaging for realtime theme preview.Lightweight utils to wire up parent<->iframe messaging for realtime theme preview.
Pranav Bhatia·Sep 9, 2025PostMessage in Salesforce OmniscriptIn this guide, I’ll walk through how to use postMessage inside an OmniScript to send a simple [key, value] payload. A Lightning Web…
InScaleUpbyNeira Durmic·Aug 26, 2025Cross-Domain Communication in React using postMessageRecently, I had to make two separate React apps exchange data — despite being hosted on different domains. I needed something simple and…
Igor Rodrigues Arruda·Jun 8, 2025Comunicação entre Micro Frontends com window.postMessage: Um Guia Completo com ReactMicro Frontends (MFEs) mudaram a forma como lidamos com aplicações front-end de larga escala. Eles promovem modularidade, escalabilidade…
Julio·Mar 1, 2025Exploiting PostMessage | NahamSecPart of my NahamSec Bug Bounty course series. Summary + Solution.A response icon1A response icon1
Arash Shahbazi·Jan 2, 2025postMessage XSSThe postMessage API enables secure and efficient communication between different windows, tabs, iframes, or between parent and child…A response icon1A response icon1
