Vulnerability in Magicform

CVE-2026-9815

The MagicForm WordPress plugin through 0.1.3 does not properly validate the type of files uploaded through an unauthenticated AJAX action when a form's per-field extension allowlist is left empty, allowing unauthenticated attackers to upload PHP files and execute arbitrary code on the server.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (26.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-9815: held from 0.002 to 0.004.

EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.001

Affected products

  • Magicform — versions 0

References

Frequently asked questions

What is CVE-2026-9815?
CVE-2026-9815 is a medium-severity vulnerability in Magicform, classified under CWE-434 UNRESTRICTED UPLOAD OF FILE WITH DANGEROUS TYPE. CVSS score: 6.5/10. Published 2026-06-18.
How severe is CVE-2026-9815?
Medium severity. CVSS v3 base score is 6.5 out of 10.