GHSA-G2G4-47GV-P72V CryptPad has a Sanitizer Bypass in Diffmarked.js that Allows Arbitrary HTML Injection and Potential XSS

Summary CryptPad’s HTML sanitizer in Diffmarked.js can be bypassed due to incomplete filtering of restricted tags. Because the sanitizer only validates the src attribute of , and elements, and does not restrict other attributes, an attacker can inject arbitrary HTML through srcdoc. This completel...