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Tool Directory

CVE-2021-31674

MediumPublished

Cyclos 4 PRO 4.14.7 and before does not validate user input at error inform, which allows remote unauthenticated attacker to execute javascript code via...

Published: May 1, 2022
Updated: Jul 9, 2026
Assigning CNA: mitre
Evidence observed: May 11, 2022

Primary CVSS

6.1/ 10Medium

nvd · CVSS 3.1

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

EPSS probability estimate

3.9%

Low · next 30 days

Percentile: 90.0%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Cyclos 4 PRO 4.14.7 and before does not validate user input at error inform, which allows remote unauthenticated attacker to execute javascript code via undefine enum constant.

Sources

Cyclos 4.14.7 - DOM Based Cross-Site Scripting (XSS)Exploit
Tin Pham · multiple · May 11, 2022

Responsible use

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