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#telejson

Diagram of TeleJSON DOM XSS exploit chain via postMessage in Storybook iframe
DevOps & Platform Eng

TeleJSON's DOM XSS Flaw: The PostMessage Trap Snaring Storybook Devs

Imagine a malicious addon slipping arbitrary JavaScript into your dev tools via a simple JSON payload. That's the TeleJSON vuln hitting Storybook setups hard — and it's easier to exploit than you think.

3 min read 2 hours ago
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