CVE-2026-9815

CVE-2026-9815 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-9815?
CVE-2026-9815 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-9815 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-9815?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-9815 have an EU (EUVD) identifier?
Yes. CVE-2026-9815 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37852.
When was CVE-2026-9815 published?
CVE-2026-9815 was published on 2026-06-18 and last updated on 2026-06-22.

References