CVE-2018-20590

Name: CVE-2018-20590
Creator: NVD / NIST
Published: 2018-12-30T18:29:00.337+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 0.63%

Last modified Jun 17, 2026

CVE-2018-20590 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. Ivan Cordoba Generic Content Management System (CMS) through 2018-04-28 has XSS via the Administrator/users.php user ID.. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

Description

Ivan Cordoba Generic Content Management System (CMS) through 2018-04-28 has XSS via the Administrator/users.php user ID.

Metrics

CVSS 3.1

4.8/10

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

EPSS Probability

0.63%

45.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Generic Content Management System Project	Generic Content Management System	<= 2018-04-28

References

https://github.com/nabby27/CMS/pull/3Patch, Third Party Advisory
https://github.com/nabby27/CMS/pull/3Patch, Third Party Advisory

Timeline

Published: Dec 30, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-20590?

Ivan Cordoba Generic Content Management System (CMS) through 2018-04-28 has XSS via the Administrator/users.php user ID.

How severe is CVE-2018-20590?

CVE-2018-20590 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.

How do I fix CVE-2018-20590?

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-2018-20590?

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

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Source: NVD / NIST