CVE-2021-22540 - log back

CVE-2021-22540 edited at 22 Apr 2021 15:50:28
Severity
- Unknown
+ Medium
Remote
- Unknown
+ Remote
Type
- Unknown
+ Cross-site scripting
Description
+ Bad validation logic in the Dart SDK versions prior to 2.12.3 allow an attacker to use a cross-site scripting (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.
References
+ https://github.com/dart-lang/sdk/security/advisories/GHSA-3rfv-4jvg-9522
+ https://github.com/dart-lang/sdk/commit/a322d21bd8f620e558d6cfaf1a60fb8c7a0172d1
Notes
CVE-2021-22540 created at 22 Apr 2021 15:47:21