CVE-2020-7750— Cross-site Scripting (XSS)
Quick assessment
Affected
n/a scratch-svg-renderer
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
scratch-svg-renderer是Scratch团队的一个应用于转换 SVG 成 DOM 元素的代码库。 scratch-svg-renderer 0.2.0-prerelease.20201019174008之前版本存在安全漏洞，该漏洞源于loadString函数没有正确地转义SVG，可以使用它通过transformMeasurements函数将任意元素注入到DOM中。
Public Exploits 1
ExploitDB · 1
EDB-50079 [webapps]
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-7750
Vulnerability Information
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Vulnerability Title
Cross-site Scripting (XSS)
Source: CVE Program / CVE List V5
Vulnerability Description
This affects the package scratch-svg-renderer before 0.2.0-prerelease.20201019174008. The loadString function does not escape SVG properly, which can be used to inject arbitrary elements into the DOM via the _transformMeasurements function.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
scratch-svg-renderer 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
scratch-svg-renderer是Scratch团队的一个应用于转换 SVG 成 DOM 元素的代码库。 scratch-svg-renderer 0.2.0-prerelease.20201019174008之前版本存在安全漏洞，该漏洞源于loadString函数没有正确地转义SVG，可以使用它通过transformMeasurements函数将任意元素注入到DOM中。
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 |
|---|---|---|---|---|
| - | scratch-svg-renderer | unspecified ~ 0.2.0-prerelease.20201019174008 | - |
|
II. Public POCs for CVE-2020-7750
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2020-7750 (1)
Vendor Advisories for CVE-2020-7750 (1)
-
https://snyk.io/vuln/SNYK-JS-SCRATCHSVGRENDERER-1020497 x_refsource_MISC
Same Patch Batch · n/a · 2020-10-21 · 23 CVEs total
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IV. Related Vulnerabilities
V. Comments for CVE-2020-7750
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