Stored XSS in customer address upload feature

published 2020-10-16 6 y ago modified 2026-09-08 2 mo ago also BIT-magento-2020-24408 , EUVD-2022-4461 , GHSA-jxjc-6xmh-h7mg

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.7%; EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits: 0; none known

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.

Patch / fix

fixed in 2

packagist magento/community-edition 2.4.1
bitnami magento 2.3.6, 2.4.1

Exploit prediction

1.74% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
GitHub	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N
OSV	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	magento/community-edition	<2.4.1	2.4.1
bitnami	magento	<2.3.6 >=2.4.0, <2.4.1	2.3.6 2.4.1

Affected products

Adobe Magento Commerce

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

helpx.adobe.com /security/products/magento/apsb20-59.html
web, vendor-advisory, advisory
nvd.nist.gov /vuln/detail/CVE-2020-24408
advisory, web
github.com /magento/magento2
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary