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. If email sending is enabled, the plugin will also trigger purchase receipt emails to any email address supplied in the request, leading to order database corruption and unauthorized outgoing emails without any real PayPal transaction taking place.
CVE-2025-14463 is a medium severity with CVSS 5.3 Vulnerability issue affecting the Plugin Payment Button for PayPal. It affects Versions up to 1.2.3.41 and is fixed in 1.2.3.42.
CVE-2025-14463 is tracked for the Plugin Payment Button for PayPal as medium severity with CVSS 5.3. The affected range is Versions up to 1.2.3.41. Update Payment Button for PayPal to 1.2.3.42 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
wp-paypal
View on wordpress.org
|
| CVE | CVE-2025-14463 |
| Patched Versions |
1.2.3.42
|
| Affected Versions |
Versions up to 1.2.3.41
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Payment Button for PayPal <= 1.2.3.35 - Authenticated (Contributor+) Stored Cross-Site Scripting
WP PayPal <= 1.2.3.8 - Cross-Site Scripting
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