CVE-2021-42227

6.1 mediumEPSS 0.9%

Medium (6.1) in kindsoft kindeditor. EPSS 0.9% chance of exploitation in the next 30 days.

Cross SIte Scripting (XSS) vulnerability exists in KindEditor 4.1.x via a Google search inurl:/examples/uploadbutton.html and then the .html file on the website that uses this editor (the file suffix is allowed).

Severity

CVSS 3.1

6.1 medium

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

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-10-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

kindsoft:kindeditor

Packages (OSV)

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-wv83-jrfh-rp33	npm	kindeditor	<=4.1.12	no fix published

References

https://github.com/kindsoft/kindeditor/issues/336
https://github.com/kindsoft/kindeditor/issues/336

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