Vulnerability Description
The Hustle – Email Marketing, Lead Generation, Optins, Popups plugin for WordPress is vulnerable to arbitrary file uploads due to incorrect file type validation in the action_import_module() function in all versions up to, and including, 7.8.9.2. This makes it possible for authenticated attackers, with a lower-privileged role (e.g., Subscriber-level access and above), to upload arbitrary files on the affected site's server which may make remote code execution possible. Successful exploitation requires an admin to grant Hustle module permissions (or module edit access) to the low-privileged user so they can access the Hustle admin page and obtain the required nonce.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/changeset/3440956/wordpress-popup
- https://www.wordfence.com/threat-intel/vulnerabilities/id/22be5fb5-143e-4934-9f9
FAQ
What is CVE-2026-0911?
CVE-2026-0911 is a vulnerability with a CVSS score of 7.5 (HIGH). The Hustle – Email Marketing, Lead Generation, Optins, Popups plugin for WordPress is vulnerable to arbitrary file uploads due to incorrect file type validation in the action_import_module() function ...
How severe is CVE-2026-0911?
CVE-2026-0911 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-0911?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.