CVE-2021-22540
Published Apr 22, 2021
Last updated 4 years ago
Overview
- 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.
- Source
- cve-coordination@google.com
- NVD status
- Analyzed
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 6.1
- Impact score
- 2.7
- Exploitability score
- 2.8
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 4.3
- Impact score
- 2.9
- Exploitability score
- 8.6
- Vector string
- AV:N/AC:M/Au:N/C:N/I:P/A:N
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:dart:dart_software_development_kit:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E9ECB219-E894-4499-9918-2199CA9532EA",
"versionEndExcluding": "2.12.3"
}
],
"operator": "OR"
}
]
}
]