CVE-2020-20523

Name: CVE-2020-20523
Creator: NVD / NIST
Published: 2023-08-11T14:15:10.047+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.61%

Last modified Jun 17, 2026

CVE-2020-20523 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Cross Site Scripting (XSS) vulnerability in adm_user parameter in Gila CMS version 1.11.3, allows remote attackers to execute arbitrary code during the Gila CMS installation.. EPSS estimates a 0.61% chance of exploitation in the next 30 days.

Description

Cross Site Scripting (XSS) vulnerability in adm_user parameter in Gila CMS version 1.11.3, allows remote attackers to execute arbitrary code during the Gila CMS installation.

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

0.61%

44.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Gilacms	Gila Cms	1.11.3

References

https://github.com/GilaCMS/gila/issues/41Exploit, Vendor Advisory
https://github.com/GilaCMS/gila/issues/41Exploit, Vendor Advisory

Timeline

Published: Aug 11, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-20523?

Cross Site Scripting (XSS) vulnerability in adm_user parameter in Gila CMS version 1.11.3, allows remote attackers to execute arbitrary code during the Gila CMS installation.

How severe is CVE-2020-20523?

CVE-2020-20523 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.61% probability of exploitation in the next 30 days.

How do I fix CVE-2020-20523?

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-2020-20523?

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

Scan your code now

Source: NVD / NIST