CVE-2026-103768: ELEX WordPress HelpDesk & Customer Ticketing System <= 3.3.7 - Unauthenticated Arbitrary File Upload via IMAP Email Attachment
The ELEX WordPress HelpDesk & Customer Ticketing System plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 3.3.7 via the initMailPart function. This is due to insufficient file type validation when saving IMAP email attachments. This makes it possible for unauthenticated attackers to upload files that may be executable, which makes remote code execution possible.
Affected Software
Event History
Frequently Asked Questions
Which deployments are exposed?
WordPress sites using ELEX WordPress HelpDesk & Customer Ticketing System version 3.3.7 or earlier are affected. The vulnerable behavior occurs when the plugin saves IMAP email attachments.
Does exploitation require an attacker account or user interaction?
No. The issue is unauthenticated and requires no user interaction; an attacker can exploit insufficient attachment file-type validation to upload potentially executable files.
What is the likely impact of a successful exploit?
An attacker may upload executable files, making remote code execution possible. The stated impact includes high confidentiality, integrity, and availability impact.
Is there evidence of a fixed version?
The provided plugin repository change reference compares version 3.3.7 with version 3.3.8, indicating that 3.3.8 contains changes after the affected 3.3.7 release.