CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
What the vulnerability does
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in hccoder PayPal Express Checkout paypal-express-checkout allows Stored XSS.This issue affects PayPal Express Checkout: from n/a through <= 2.1.2.
Explanation of Vulnerability in Simple Terms
PayPal Express Checkout versions up to 2.1.2 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into the checkout flow. An attacker can craft a malicious link that, when clicked by a site visitor, executes JavaScript in the victim's browser within the context of the affected site. This can lead to session hijacking, credential theft, or unauthorized actions on behalf of the victim.
What an attacker can do
Inject and execute malicious JavaScript in a visitor's browser during checkout.
Potential impact on your site
Customers' sessions, payment data, or login credentials could be compromised during checkout.
Conditions required to exploit
Attacker crafts a malicious link; victim must click it or visit a page containing it.
Key dates
External resources
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