WordPress plugin
Payment Button for PayPal security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 4 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical0
- High0
- Medium4
- Low0
All Payment Button for PayPal vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium5.3 | Unauthenticated Payment Bypass <1.2.3.45Update to 1.2.3.45 | CVE-2026-16990 | |
| Medium5.3 | Missing Authorization to Unauthenticated Arbitrary Order Creation ≤1.2.3.41Update to 1.2.3.42 | CVE-2025-14463 | |
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting ≤1.2.3.35Update to 1.2.3.36 | CVE-2024-13401 | |
| Medium6.1 | Cross-Site Scripting ≤1.2.3.7Update to 1.2.3.8 | — |
- Medium5.3Unauthenticated Payment Bypass
<1.2.3.45Update to 1.2.3.45
- Medium5.3Missing Authorization to Unauthenticated Arbitrary Order Creation
≤1.2.3.41Update to 1.2.3.42
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤1.2.3.35Update to 1.2.3.36
- Medium6.1Cross-Site Scripting
≤1.2.3.7Update to 1.2.3.8
Payment Button for PayPal: common questions
Does Payment Button for PayPal have known vulnerabilities?
Yes. VulnCrest Radar lists 4 known vulnerabilities in Payment Button for PayPal: 4 medium. None are known to affect version null.
How do I check which version of Payment Button for PayPal I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent Payment Button for PayPal vulnerability?
CVE-2026-16990, published Aug 5, 2026: Payment Button for PayPal < 1.2.3.45 - Unauthenticated Payment Bypass. Severity: Medium (CVSS 5.3).
Is any Payment Button for PayPal vulnerability listed in CISA KEV?
No. None of the known Payment Button for PayPal vulnerabilities is currently listed in the CISA KEV catalog.
