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Vulnerability record · CVE-2020-27428 · published 6 January 2022

CVE-2020-27428: Mit scratch-svg-renderer cross-site scripting vulnerability

Mit · Scratch Svg Renderer

A DOM-based cross-site scripting (XSS) vulnerability in Scratch-Svg-Renderer v0.2.0 allows attackers to execute arbitrary web scripts or HTML via a crafted sb3 file.

6.1 CVSS 3.1 Medium EPSS 0.65% · top 51.2% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score, v2 4.3
0.65%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A DOM-based cross-site scripting (XSS) vulnerability in Scratch-Svg-Renderer v0.2.0 allows attackers to execute arbitrary web scripts or HTML via a crafted sb3 file.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/LLK/scratch-svg-renderer/commit/7c74ec7de3254143ec3c557677f5355a90a3d07f PatchThird Party Advisory
https://github.com/LLK/scratch-svg-renderer/commit/7c74ec7de3254143ec3c557677f5355a90a3d07f PatchThird Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-27428), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.