PayPal PHP Merchant SDK Cross-site scripting (XSS) vulnerability
Date: 2022-05
Affected: composer/paypal/merchant-sdk-php
Attack vector: xss
Category: vulnerability-disclosure
Severity: Medium
CVE: CVE-2017-6099
CWE: CWE-79
CVSS: 6.1 (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

Cross-site scripting (XSS) vulnerability in GetAuthDetails.html.php in PayPal PHP Merchant SDK (aka merchant-sdk-php) 3.9.1 allows remote attackers to inject arbitrary web script or HTML via the token parameter.


Mitigations:

Architectural layers (MAESTRO):