Global infos:

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.

CVE Status: Modified

References:

[email protected]

af854a3a-2127-422b-91ae-364da2661108

Metrics:

Attribute	Value
Attack Complexity	LOW
Attack Vector	NETWORK
Availability Impact	NONE
Base Score	6.1
Base Severity	MEDIUM
Confidentiality Impact	LOW
Integrity Impact	LOW
Privileges Required	NONE
Scope	CHANGED
User Interaction	REQUIRED
Vector String	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Exploitability Score	2.8
Impact Score	2.7
Source	[email protected]
Type	Secondary

Links:

Exploit-db
Github