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.

CVSS v3 6.1 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

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

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

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

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2021-04-22 15:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-22540

Mitre link : CVE-2021-22540

CVE.ORG link : CVE-2021-22540

JSON object : View

Products Affected

dart

dart_software_development_kit

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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