CVE-2021-22540— XSS in Dart SDK
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I. Basic Information for CVE-2021-22540
Vulnerability Information
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Vulnerability Title
XSS in Dart SDK
Source: NVD (National Vulnerability Database)
Vulnerability 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: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Dart 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dart是一款开源的编程语言。 Dart SDK versions prior to 2.12.3 存在跨站脚本漏洞，该漏洞允许攻击者可利用该漏洞通过重击DOM来使用XSS攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Google LLC | Dart SDK | stable ~ 2.12.3 | - |
II. Public POCs for CVE-2021-22540
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://github.com/dart-lang/sdk/security/advisories/GHSA-3rfv-4jvg-9522x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-22540
IV. Related Vulnerabilities
Same vendor: Google LLC
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Memory handling vulnerability in ProtocolBuffers Java core a - CVE-2022-1941
Out of Memory issue in ProtocolBuffers for cpp and python
Same weakness: CWE-79
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Zenar Content Management System Cross-Site Scripting via aja - CVE-2021-47981
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V. Comments for CVE-2021-22540
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