CVE-2025-48336: WordPress Course Builder < 3.6.6 - PHP Object Injection Vulnerability

Published May 29, 2025
·
Updated

Deserialization of Untrusted Data vulnerability in ThimPress Course Builder allows Object Injection.This issue affects Course Builder: from n/a before 3.6.6.

Other sources

Deserialization of Untrusted Data vulnerability in ThimPress Course Builder course-builder allows Object Injection.This issue affects Course Builder: from n/a through < 3.6.6.

MITRE

Affected Software

1 affected component
thimpress Course Builder<3.6.6

Remediation

Information

Update the WordPress Course Builder theme to the latest available version (at least 3.6.6).

Event History

May 29, 2025
CVE Published
via MITRE·06:54 PM
Data Sourced
via MITRE·06:54 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:15 PM
DescriptionSeverityWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2025-48336?

CVE-2025-48336 is considered a critical vulnerability due to its potential for object injection and exploitation.

2

How do I fix CVE-2025-48336?

To fix CVE-2025-48336, update ThimPress Course Builder or WordPress Course Builder to version 3.6.6 or later.

3

What versions are affected by CVE-2025-48336?

CVE-2025-48336 affects all versions of ThimPress Course Builder and WordPress Course Builder prior to 3.6.6.

4

What types of attacks can leverage CVE-2025-48336?

CVE-2025-48336 can be exploited for remote code execution and data manipulation through deserialization attacks.

5

Who is the vendor associated with CVE-2025-48336?

The vendor associated with CVE-2025-48336 is ThimPress for the Course Builder plugin.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203