Auth bypass in Themeum Tutor Lms
CVE-2025-11564
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'.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (19.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/26289a93-063b-469a-9d09-c286d… (Product, Third Party Advisory)
- plugins.trac.wordpress.org/browser/tutor/tags/3.8.3/ecommerce/PaymentGateways/P… (Product)
Frequently asked questions
- What is CVE-2025-11564?
- CVE-2025-11564 is a medium-severity vulnerability in Themeum Tutor Lms, classified under Missing Authorization. CVSS score: 5.3/10. Published 2025-10-25.
- How severe is CVE-2025-11564?
- Medium severity. CVSS v3 base score is 5.3 out of 10.