What is CVE-2026-103768?

CVE-2026-103768 is a critical-severity vulnerability in Elextensions Elex WordPress Helpdesk & Customer Ticketing System, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-10-16.

How severe is CVE-2026-103768?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Arbitrary file upload in Elextensions Elex WordPress Helpdesk & Customer Ticketing System

CVE-2026-103768

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.

Vulnerability class: Unrestricted File Upload

Published 2026-10-16 · last modified 2026-10-16.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Elextensions Elex WordPress Helpdesk & Customer Ticketing System

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

Frequently asked questions

What is CVE-2026-103768?: CVE-2026-103768 is a critical-severity vulnerability in Elextensions Elex WordPress Helpdesk & Customer Ticketing System, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-10-16.
How severe is CVE-2026-103768?: Critical severity. CVSS v3 base score is 9.8 out of 10.