CVE-2020-18084

Name: CVE-2020-18084
Creator: NVD / NIST
Published: 2021-04-30T21:15:08.3+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.31%

Last modified Jun 17, 2026

CVE-2020-18084 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Cross Site Scripting (XSS) in yzmCMS v5.2 allows remote attackers to execute arbitrary code by injecting commands into the "referer" field of a POST request to the component "/member/index/login.html" when logging in.. EPSS estimates a 1.31% chance of exploitation in the next 30 days.

Description

Cross Site Scripting (XSS) in yzmCMS v5.2 allows remote attackers to execute arbitrary code by injecting commands into the "referer" field of a POST request to the component "/member/index/login.html" when logging in.

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

1.31%

67.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Yzmcms	Yzmcms	5.2

References

https://github.com/yzmcms/yzmcms/issues/9Exploit, Issue Tracking, Third Party Advisory
https://github.com/yzmcms/yzmcms/issues/9Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Apr 30, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-18084?

How severe is CVE-2020-18084?

CVE-2020-18084 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.31% probability of exploitation in the next 30 days.

How do I fix CVE-2020-18084?

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-2020-18084?

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

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Source: NVD / NIST