CVE-2020-21146

Name: CVE-2020-21146
Creator: NVD / NIST
Published: 2021-01-26T18:15:42.037+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.63%

Last modified Jun 17, 2026

CVE-2020-21146 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Feehi CMS 2.0.8 is affected by a cross-site scripting (XSS) vulnerability. When the user name is inserted as JavaScript code, browsing the post will trigger the XSS.. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

Description

Feehi CMS 2.0.8 is affected by a cross-site scripting (XSS) vulnerability. When the user name is inserted as JavaScript code, browsing the post will trigger the XSS.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.63%

45.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Feehi	Feehi Cms	2.0.8

References

https://github.com/liufee/cms/issues/43Exploit, Issue Tracking, Third Party Advisory
https://github.com/liufee/cms/issues/43Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Jan 26, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-21146?

Feehi CMS 2.0.8 is affected by a cross-site scripting (XSS) vulnerability. When the user name is inserted as JavaScript code, browsing the post will trigger the XSS.

How severe is CVE-2020-21146?

CVE-2020-21146 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.

How do I fix CVE-2020-21146?

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-2020-21146?

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

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Source: NVD / NIST