CVE-2026-16990
Payment Button for PayPal <= 1.2.3.44 - Unauthenticated Payment Price Manipulation
- State
- Published
- Severity
- 5.3 Medium
- Published
- Aug 12, 2026
- Updated
- Aug 12, 2026
- Reserved
- Jul 24, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N | WPScan |
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
Payment Button for PayPalUnknown |
|
References
- https://wpscan.com/vulnerability/97c08603-c407-43b2-ab2c-e39f85e89ebe/exploitvdb-entrytechnical-description
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.