CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
What the vulnerability does
The WooCommerce - PDF Vouchers plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 4.9.3. This is due to insufficient verification on the user being supplied during a QR code login through the plugin. This makes it possible for unauthenticated attackers to log in as any existing Voucher Vendor user on the site, if they have access to the user id.
Explanation of Vulnerability in Simple Terms
WooCommerce - PDF Vouchers through version 4.9.3 contains an authentication bypass vulnerability. An attacker can read, modify, or delete voucher data without valid credentials. The vulnerability stems from insufficient authentication checks on API endpoints. Site administrators should update to a version newer than 4.9.3 immediately.
What an attacker can do
Read, modify, or delete voucher data without authentication.
Potential impact on your site
Voucher data can be compromised, modified, or deleted by unauthorized users, affecting sales and customer trust.
Conditions required to exploit
Network access to the site; no authentication or user interaction required.
Key dates
External resources
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