Vulnerability identifier: #VU18700
Vulnerability risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-79
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Magento Open Source
Web applications /
E-Commerce systems
Vendor: Magento, Inc
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: 2.3.0, 2.2.0 - 2.2.7, 2.1.0 - 2.1.16
External links
http://magento.com/security/patches/magento-2.3.1-2.2.8-and-2.1.17-security-update
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.