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CVE-2020-7750

Cross-site Scripting (XSS)

CRITICAL

9.6

CVSS Score

Published: October 21, 2020 at 04:20 PM UTC

Updated: June 17, 2026 at 03:25 AM UTC

1 product affected across 1 vendorScratch Svg Renderer

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Severity

CRITICAL9.6

Exploit prediction

EPSS 6%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Scratch Svg Renderer · Mitnpm

95%

v < 0.2.0-prerelease.202010191740080.1.0 0.1.0 prerelease1515799461 0.1.0 prerelease1515800444 0.1.0 prerelease20180117145116 0.1.0 prerelease20180117210827 0.1.0 prerelease20180118201049 0.1.0 prerelease20180118201241 0.1.0 prerelease20180118224509 0.1.0 prerelease20180124043252 0.1.0 prerelease20180124054052 0.1.0 prerelease20180210005926 0.1.0 prerelease20180329174139 0.1.0 prerelease20180423193917 0.1.0 prerelease20180508170432 0.1.0 prerelease20180510171850 0.1.0 prerelease20180510181711 0.1.0 prerelease20180511144653 0.1.0 prerelease20180514170126 0.1.0 prerelease20180521194642 0.1.0 prerelease20180524204036 0.1.0 prerelease20180524210316 0.1.0 prerelease20180531205843 0.1.0 prerelease20180531214630 0.1.0 prerelease20180605140533 0.2.0 prerelease20180605154326 0.2.0 prerelease20180607141644 0.2.0 prerelease20180613184320 0.2.0 prerelease20180618172917 0.2.0 prerelease20180711180400 0.2.0 prerelease20180712223402 0.2.0 prerelease20180817005452 0.2.0 prerelease20180821210632 0.2.0 prerelease20180907141232 0.2.0 prerelease20180926143036 0.2.0 prerelease20181017193458 0.2.0 prerelease20181024192149 0.2.0 prerelease20181101210634 0.2.0 prerelease20181126212715 0.2.0 prerelease20181212190400 0.2.0 prerelease20181212222326 0.2.0 prerelease20181212230607 0.2.0 prerelease20181213165142 0.2.0 prerelease20181213192400 0.2.0 prerelease20181218153528 0.2.0 prerelease20181220183040 0.2.0 prerelease20190109201344 0.2.0 prerelease20190110205335 0.2.0 prerelease20190125192231 0.2.0 prerelease20190304180800 0.2.0 prerelease20190329052730 0.2.0 prerelease20190419183947 0.2.0 prerelease20190521170426 0.2.0 prerelease20190523193400 0.2.0 prerelease20190715144718 0.2.0 prerelease20190715153806 0.2.0 prerelease20190820171249 0.2.0 prerelease20190822193232 0.2.0 prerelease20190822202608 0.2.0 prerelease20191031221353 0.2.0 prerelease20191104164753 0.2.0 prerelease20191217211338 0.2.0 prerelease20200103191258 0.2.0 prerelease20200103211543 0.2.0 prerelease20200109070519 0.2.0 prerelease20200205003215 0.2.0 prerelease20200205003400 0.2.0 prerelease20200507183648 0.2.0 prerelease20200604203226 0.2.0 prerelease20200609210443 0.2.0 prerelease20200610220938 0.2.0 prerelease20201008203328 0.2.0 prerelease20201009194722 0.2.0 prerelease20201009195807 0.2.0 prerelease20201009202925 0.2.0 prerelease20201009211507 0.2.0 prerelease20201011114003 0.2.0 prerelease20201012151417 0.2.0 prerelease20201013123302 0.2.0 prerelease20201013184332 0.2.0 prerelease20201014105708 0.2.0 prerelease20201014130133 0.2.0 prerelease20201014145347 0.2.0 prerelease20201015122106 0.2.0 prerelease20201015135047 0.2.0 prerelease20201015194358 0.2.0 prerelease20201016121710

Affected range stops below 0.2.0-prerelease.20201019174008, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://github.com/LLK/scratch-svg-renderer/commit/9ebf57588aa596c4fa3bb64209e10ade395aee90

References (2)

x_refsource_MISCPatchThird Party Advisory

Source: [email protected]

https://github.com/LLK/scratch-svg-renderer/commit/9ebf57588aa596c4fa3bb64209e10ade395aee90

x_refsource_MISCThird Party Advisory

Source: [email protected]

https://snyk.io/vuln/SNYK-JS-SCRATCHSVGRENDERER-1020497

CVSS

9.6CRITICALsnyk

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: CHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-79

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