CVE-2020-20285

Name: CVE-2020-20285
Creator: NVD / NIST
Published: 2020-12-18T19:15:14.157+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 1.55%

Last modified Jun 17, 2026

CVE-2020-20285 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. There is a XSS in the user login page in zzcms 2019. Users can inject js code by the referer header via user/login.php. EPSS estimates a 1.55% chance of exploitation in the next 30 days.

Description

There is a XSS in the user login page in zzcms 2019. Users can inject js code by the referer header via user/login.php

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

1.55%

72.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Zzcms	Zzcms	2019

References

https://github.com/iohex/ZZCMS/blob/master/zzcms2019_login_xss.mdExploit, Third Party Advisory
https://github.com/iohex/ZZCMS/blob/master/zzcms2019_login_xss.mdExploit, Third Party Advisory

Timeline

Published: Dec 18, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-20285?

There is a XSS in the user login page in zzcms 2019. Users can inject js code by the referer header via user/login.php

How severe is CVE-2020-20285?

CVE-2020-20285 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.55% probability of exploitation in the next 30 days.

How do I fix CVE-2020-20285?

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-2020-20285?

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

Scan your code now

Source: NVD / NIST