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Threat Database
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Threat Entry
Updated 2026-08-26
Payment Button for PayPal - Security Vulnerability (CVE-2026-16990)
The Payment Button for PayPal WordPress plugin through 1.2.3.44 does not enforce the merchant-configured price server-side and trusts a client-supplied payment amount, allowing unauthenticated attackers to create a real PayPal order against the merchant for an arbitrary lower amount.
PLUGIN
Payment Button for PayPal
CVE-2026-16990
Risk Score
Threat Entry
Updated 2026-06-17
Payment Button for PayPal - Security Vulnerability (CVE-2025-14463)
The Payment Button for PayPal plugin for WordPress is vulnerable to unauthorized order creation in all versions up to, and including, 1.2.3.41. This is due to the plugin exposing a public AJAX endpoint (`wppaypalcheckout_ajax_process_order`) that processes checkout results without any authentication or server-side verification of the PayPal transaction. This makes it possible for unauthenticated attackers to create arbitrary orders on the site with any chosen transaction ID, payment status, product name, amount, or customer information via direct POST requests to the AJAX endpoint, granted they can bypass basic parameter validation.…
PLUGIN
Payment Button for PayPal
CVE-2025-14463
Risk Score
Threat Entry
Updated 2026-06-17
Payment Button for PayPal - Cross-Site Scripting (XSS) (CVE-2024-13401)
The Payment Button for PayPal plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wp_paypal_checkout' shortcode in all versions up to, and including, 1.2.3.35 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
PLUGIN
Payment Button for PayPal
CVE-2024-13401
Risk Score