CVE-2020-18467

Name: CVE-2020-18467
Creator: NVD / NIST
Published: 2021-08-26T18:15:07.56+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.47%

Last modified Jun 17, 2026

CVE-2020-18467 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Cross Site Scripting (XSS) vulnerabilty exists in BigTree-CMS 4.4.3 in the tag name field found in the Tags page under the General menu via a crafted website name by doing an authenticated POST HTTP request to admin/tags/create.. EPSS estimates a 0.47% chance of exploitation in the next 30 days.

Description

Cross Site Scripting (XSS) vulnerabilty exists in BigTree-CMS 4.4.3 in the tag name field found in the Tags page under the General menu via a crafted website name by doing an authenticated POST HTTP request to admin/tags/create.

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

0.47%

37.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Bigtreecms	Bigtree Cms	4.4.3

References

https://github.com/bigtreecms/BigTree-CMS/issues/364Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/bigtreecms/BigTree-CMS/issues/364Exploit, Issue Tracking, Patch, Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2020-18467?

How severe is CVE-2020-18467?

CVE-2020-18467 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.

How do I fix CVE-2020-18467?

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-2020-18467?

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

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Source: NVD / NIST