Arbitrary file upload in Divi Engine Form Builder

CVE-2026-5524

The Divi Form Builder plugin for WordPress is vulnerable to Arbitrary File Upload leading to Remote Code Execution in all versions up to and including 5.1.8. This is due to insufficient file extension validation in the do_image_upload() fu…

Vulnerability class: Unrestricted File Upload

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.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-5524?
CVE-2026-5524 is a critical-severity vulnerability in Divi Engine Form Builder, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-07-02.
How severe is CVE-2026-5524?
Critical severity. CVSS v3 base score is 9.8 out of 10.