NuytsTech Security

CVE-2021-22540

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Bad validation logic in the Dart SDK versions prior to 2.12.3 allow an attacker to use an XSS attack via DOM clobbering. The validation logic in dart:html for creating DOM nodes from text did not sanitize properly when it came across template tags.

Date published : 2021-04-22

https://github.com/dart-lang/sdk/commit/ce5a1c2392debce967415d4c09359ff2555e3588

https://github.com/dart-lang/sdk/security/advisories/GHSA-3rfv-4jvg-9522

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