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Payment Plugins For Paypal Woocommerce - Security Vulnerability (CVE-2026-13399)

CVE-2026-13399

Vulnerability CVE-2026-13399 PLUGIN payment-plugins-for-paypal-woocommerce HIGH

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

CVE-2026-13399

HIGH CVSS 7.5 Published 2026-08-06 Updated 2026-08-26
AI Risk High (82/100) Active Exploit: No strong signal Published Exploit: No public exploit references Priority: P2 Urgent
Severity Band HIGH
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected Components 1
Reference Links 1
AI Risk Engine High (82/100)
Exploitability High
Active Exploitation No strong signal
Published Exploit Status No public exploit references

Threat Timeline

  1. 2026-08-06 CVE published and first recorded in the threat feed.
  2. 2026-08-26 Record updated with latest vulnerability metadata.
  3. 2026-08-15 AI technical context refreshed for mitigation and impact guidance.
  4. Now Monitoring for follow-up changes, linked references, and new related CVEs.

AI Context

Machine-generated threat intelligence

AI Updated 22 days ago

AI enriched 22 days ago (2026-08-15 01:28 UTC)

Technical 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

Potential Impact

Severity is HIGH (CVSS 7.5). Depending on deployment context, affected components may be exposed to unauthorized actions or data integrity risk.

Exploitability Assessment

Exploitability is assessed as High based on remote code execution potential, low-bar exploit prerequisites.

Primary risk drivers: remote code execution potential, low-bar exploit prerequisites

Mitigation Recommendations

Validate affected product versions, prioritize patching, and monitor references for vendor remediation guidance. If immediate patching is not possible, apply compensating controls and limit exposure of vulnerable surfaces.

Detection & Monitoring

Track authentication anomalies, unexpected file writes, and suspicious plugin API activity around affected components.

Business Impact Lens

AI risk score 82/100 (High, High) with priority P2 Urgent. Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.

Related Vulnerabilities

Browse All Threats

Newest linked vulnerabilities to keep visitors exploring adjacent CVE coverage.

No related vulnerability records were found yet for this context.

References

What to do about this

Patch promptly The consequence is significant even where an attacker needs a foothold first.

Fix it

Update Payment Plugins For Paypal Woocommerce to 2.0.20 or later.

That is the complete fix. Everything below is what protects you in the meantime.

No Hack Halt control meaningfully contains this one — updating is the remedy. We would rather say so than sell you something that will not help.

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Not sure if you are affected?

Scan your site to see whether it runs Payment Plugins For Paypal Woocommerce, and at which version.

Free, no installation, no account. It reads what your site already publishes, then tells you which plugins carry known vulnerabilities and what to do about each one.

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Am I affected by this vulnerability?

You are affected if your site runs Payment Plugins For Paypal Woocommerce. Versions below 2.0.20 are vulnerable; that release and later are not. No account is needed to exploit this, so a public site is reachable by anyone.

How do I fix it?

Update Payment Plugins For Paypal Woocommerce to version 2.0.20 or later. That is the complete fix.

WordPress security that blocks attacks before they land.

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