CVE-2020-24408

Name: CVE-2020-24408
Creator: NVD / NIST
Published: 2020-10-16T15:15:11.203+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.72%

Last modified Jun 17, 2026

CVE-2020-24408 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Magento versions 2.4.0 and 2.3.5p1 (and earlier) are affected by a persistent XSS vulnerability that allows users to upload malicious JavaScript via the file upload component. This vulnerability could be abused by an unauthenticated attacker to execute XSS attacks against other Magento users. EPSS estimates a 1.72% chance of exploitation in the next 30 days.

Description

Magento versions 2.4.0 and 2.3.5p1 (and earlier) are affected by a persistent XSS vulnerability that allows users to upload malicious JavaScript via the file upload component. This vulnerability could be abused by an unauthenticated attacker to execute XSS attacks against other Magento users. This vulnerability requires a victim to browse to the uploaded file.

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

1.72%

74.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Magento	Magento	<= 2.3.4
Magento	Magento	2.3.5
Magento	Magento	2.4.0

References

https://helpx.adobe.com/security/products/magento/apsb20-59.htmlVendor Advisory
https://helpx.adobe.com/security/products/magento/apsb20-59.htmlVendor Advisory

Timeline

Published: Oct 16, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-24408?

How severe is CVE-2020-24408?

CVE-2020-24408 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.72% probability of exploitation in the next 30 days.

How do I fix CVE-2020-24408?

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-2020-24408?

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

Scan your code now

Source: NVD / NIST