SQL Injection Flaw in Tutor LMS eLearning Plugin for WordPress
CVE-2025-13673

7.5HIGH

Key Information:

Vendor

WordPress
Status
Tutor Lms – Elearning And Online Course Solution
Vendor
CVE Published:
28 February 2026

What is CVE-2025-13673?

The Tutor LMS plugin for WordPress is susceptible to SQL Injection attacks through the 'coupon_code' parameter. This vulnerability exists in all versions up to and including 3.9.6. Due to inadequate escaping of user-supplied input and poor SQL query preparation, unauthenticated attackers can exploit this flaw to inject malicious SQL commands. This may result in unauthorized access to sensitive information stored within the database. While partial mitigations were implemented in versions 3.9.4 and 3.9.6, users are strongly advised to upgrade to the latest version to fully secure their installations.

Affected Version(s)

Tutor LMS – eLearning and online course solution 0 <= 3.9.6

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/3469242/tutor

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Supakiad S.
.