What happened
A security weakness in The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to PHP Object Injection in all is being tracked as CVE-2026-78175. The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 4 0 7 via the `withdraw_method_field` parameter of the `tutor_save_withdraw_account` AJAX handler. The affected release boundary in the available advisory material is up to, and including, The Tutor LMS – eLearning and online course solution plugin for WordPress; teams should compare that boundary with the versions actually running in production.
The available advisory information identifies up to, and including, The Tutor LMS – eLearning and online course solution plugin for WordPress as affected versions. CVE-2026-78175 currently carries a HIGH 8 8 severity signal in the retained vulnerability data. The issue currently carries a HIGH 8 8 severity signal in the CyberDeltaForce record.
The current severity signal is HIGH 8 8. The operational question is not simply the severity score, but whether the affected component is deployed, reachable, business-critical and protected by compensating controls. Real risk depends on exposure, exploitability, compensating controls and the importance of the affected asset—not the CVSS number alone.
Inventory the affected product deployments and confirm whether the affected component and vulnerable release are present. Apply the vendor patch or mitigation for CVE-2026-78175 and validate the affected path after remediation. The current source set does not report active exploitation of CVE-2026-78175; that status should be monitored rather than treated as proof that exploitation is impossible.
The most useful validation after remediation is to confirm that the vulnerable path no longer permits the reported behavior and that the deployed release matches the vendor's corrected version. So far, researchers have not reported exploitation, but that can change as vendor, government or threat-intelligence reporting develops.
Reference sources
Reporting ends here. The sections below are CyberDeltaForce analysis and defender-focused interpretation.
What security teams should do now
- Inventory the affected product deployments and confirm whether the affected component and vulnerable release are present.
- Apply the vendor patch or mitigation for CVE-2026-78175 and validate the affected path after remediation.
What is not yet confirmed
- So far, researchers have not reported exploitation, but that can change as vendor, government or threat-intelligence reporting develops.