Payment Plugins for PayPal WooCommerce < 2.0.20 - Unauthenticated Payment Bypass via Reuse of a Completed PayPal Order
Priority HIGH 72CWE-639Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-639.
Summary
The Payment Plugins for PayPal WooCommerce WordPress plugin before 2.0.20 does not have proper authorization checks on a REST endpoint, allowing unauthenticated users to bypass payments
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.004 34th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Payment Plugins for PayPal WooCommerce (Unknown): 2.0.20
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Payment Plugins for PayPal WooCommerce | before 2.0.20 | 2.0.20 | Patch available | CNA |
- Payment Plugins for PayPal WooCommerce VendorUnknown Affected before 2.0.20 Fixed in 2.0.20 Patch available CNA
Remediation
- Fix · CNA Payment Plugins for PayPal WooCommerce (Unknown) Fixed in 2.0.20
Timeline
- 2026-10-02 Threatist record created from CVE-2026-13399
- 2026-10-03 Alias added: GHSA-frpp-mq58-xvp7
References
Sources
- CVE-2026-13399 · CVE Program
- CVE-2026-13399 · NVD
- FIRST EPSS
- GHSA-frpp-mq58-xvp7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences