Stored cross-site scripting in Magento, Magento Open Source

1) Stored cross-site scripting

EUVDB-ID: #VU18700

Risk: High

CVSSv4.0: 1.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Amber]

CVE-ID: N/A

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the Terms & Conditions with Checkbox Text field in the admin panel. A remote administrator can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Magento Open Source: 2.1.0 - 2.3.0

CPE2.3

• cpe:2.3:a:adobe:magento:2.1.16:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:magento:2.2.7:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:magento:2.3.0:*:*:*:*:*:*:*

External links

https://magento.com/security/patches/magento-2.3.1-2.2.8-and-2.1.17-security-update

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.