What’s Vulnerable › Vulnerabilities

CVE-2025-11564: Tutor LMS – eLearning and online course solution <= 3.8.3 - Missing Authorization to Unauthenticated Payment Status Update

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-25 · updated 2026-10-08
• Weakness: CWE-862

Description

The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check while verifying webhook signatures on the "verifyAndCreateOrderData" function in all versions up to, and including, 3.8.3. This makes it possible for unauthenticated attackers to bypass payment verification and mark orders as paid by submitting forged webhook requests with `payment_type` set to 'recurring'.

Affected products

• themeum Tutor LMS – eLearning and online course solution: before 3.9.0 — fixed in 3.9.0

How to fix

Upgrade to a fixed version: themeum Tutor LMS – eLearning and online course solution 3.9.0. Check the vendor advisory for mitigations.

References

• https://plugins.trac.wordpress.org/browser/tutor/tags/3.8.3/ecommerce/PaymentGateways/Paypal/src/Payments/Paypal/Paypal.php#L323
• https://www.wordfence.com/threat-intel/vulnerabilities/id/26289a93-063b-469a-9d09-c286d76fce0c?source=cve

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