Stored cross-site scripting in Magento Open Source - #VU18705
Published: June 7, 2019
Vulnerability identifier: #VU18705
CSH Severity: High
CVSS v4: 4.8 [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]
CVE-ID: N/A
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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 Admin through the Checkbox Custom Option Value field. A remote authenticated attacker with privileges to the Checkbox Custom Option Value field on the Admin 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.
Affected software
Magento Open Source
Remediation
Install updates from vendor's website.
Magento Open Source - addressed in versions 2.1.17, 2.2.8, 2.3.1