CVE-2020-27666

Name: CVE-2020-27666
Creator: NVD / NIST
Published: 2020-10-22T19:15:13.963+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.59%

Last modified Jun 17, 2026

CVE-2020-27666 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Strapi before 3.2.5 has stored XSS in the wysiwyg editor's preview feature.. EPSS estimates a 0.59% chance of exploitation in the next 30 days.

Description

Strapi before 3.2.5 has stored XSS in the wysiwyg editor's preview feature.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.59%

43.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Strapi	Strapi	< 3.2.5

References

https://github.com/strapi/strapi/pull/8440Patch, Third Party Advisory
https://github.com/strapi/strapi/releases/tag/v3.2.5Release Notes, Third Party Advisory
https://github.com/strapi/strapi/pull/8440Patch, Third Party Advisory
https://github.com/strapi/strapi/releases/tag/v3.2.5Release Notes, Third Party Advisory

Timeline

Published: Oct 22, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-27666?

Strapi before 3.2.5 has stored XSS in the wysiwyg editor's preview feature.

How severe is CVE-2020-27666?

CVE-2020-27666 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.59% probability of exploitation in the next 30 days.

How do I fix CVE-2020-27666?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-27666?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST