CVE-2021-20745

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

Inkdrop versions prior to v5.3.1 allows an attacker to execute arbitrary OS commands on the system where it runs by loading a file or code snippet containing an invalid iframe into Inkdrop.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-78

Affected software

Vendor	Product	Versions
Takuya Matsuyama	Inkdrop	versions prior to v5.3.1

References

https://docs.inkdrop.app/releases/5.3.1Release Notes, Vendor Advisory
https://jvn.jp/en/jp/JVN29949691/index.htmlThird Party Advisory
https://www.inkdrop.app/Product, Vendor Advisory
https://docs.inkdrop.app/releases/5.3.1Release Notes, Vendor Advisory
https://jvn.jp/en/jp/JVN29949691/index.htmlThird Party Advisory
https://www.inkdrop.app/Product, Vendor Advisory

Timeline

Published: Jun 28, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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