Auth bypass in Themeum Tutor Lms – Elearning And Online Course Solution

CVE-2025-13628

The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to unauthorized modification and deletion of data due to a missing capability check on the 'bulk_action_handler' and 'coupon_permanent_delete' functions in all versions up to, and including, 3.9.3. This makes it possible for authenticated attackers, with subscriber level access and above, to delete, activate, deactivate, or trash arbitrary coupons.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (11.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-13628: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-13628?
CVE-2025-13628 is a medium-severity vulnerability in Themeum Tutor Lms – Elearning And Online Course Solution, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-01-09.
How severe is CVE-2025-13628?
Medium severity. CVSS v3 base score is 4.3 out of 10.