Description

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.

Related CPE's

a

dart

dart_software_development_kit

Vulnerable

References

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

PatchThird Party Advisory

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

Broken Link

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

PatchThird Party Advisory

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

Broken Link

Weaknesses

[email protected]

Secondary
CWE-79

[email protected]

Primary
CWE-79

CVSS impact metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

6.1 · Medium

Information

Source identifier

[email protected]

Vulnerability status

Modified

Published

2021-04-22T15:15:07.930Z

5 years ago

Last modified

2026-06-17T03:37:24.327Z

3 months ago