CVE Vulnerability

CVE-2021-22540

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.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

6.1 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://github.com/dart-lang/sdk/security/advisories/GHSA-3rfv-4jvg-9522 Broken Link
https://github.com/dart-lang/sdk/commit/ce5a1c2392debce967415d4c09359ff2555e3588 Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:dart:dart_software_development_kit:*:*:*:*:*:*:*:*
Information

Published : 2021-04-22 03:15

Updated : 2021-04-26 08:20

NVD link : CVE-2021-22540

Mitre link : CVE-2021-22540

Products Affected
No products.
CWE
CWE-79