Stored cross-site scripting in Magento Open Source - #VU18703
Published: June 7, 2019
Vulnerability identifier: #VU18703
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 B2B packages. A remote authenticated attacker with privileges to the B2B packages through an unsanitized URL parameter 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