PatchTheCVECVE-2026-5524: The Divi Form Builder plugin for WordPress is vulnerable to Arbitrary File Upload leading to Remote Code Execu
CVE-2026-5524 is a critical-severity flaw (CVSS 9.8) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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() function where user-supplied input from the acceptFileTypes POST parameter is directly interpolated into a regular expression used to validate uploaded files. Attackers can specify PHP-executable extensions such a
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 3.5% (top 11%) |
| CISA exploited list | No |
| Weakness | CWE-434 |
| Published | 2026-07-02 |
| Last modified | 2026-10-25 |
Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Exact fixes by distribution
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- GitHub PoC: iicaicai/CVE-2026-5524-PoC (0 stars)
- Nuclei scan template: Divi Form Builder <=5.1.8 - Unauthenticated Arbitrary File Upload RCE
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-5524?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-5524 being exploited?
CVE-2026-5524 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-5524 affect?
CVE-2026-5524 affects affected software. Severity is critical (CVSS 9.8). 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() fun
How urgent is CVE-2026-5524?
Priority 62/100. Critical severity; Remotely exploitable, no login, no user action
Software pages
WordPress vulnerabilities · PHP vulnerabilities