CVE-2026-84738

Critical CVSS 9.1

Published 2026-09-18 · last changed 2026-09-18

The fix

We hold no Microsoft remediation data for CVE-2026-84738, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

The AF Companion WordPress plugin before 2.2.0 does not validate the type of files uploaded through one of its import features, allowing users with a low-privileged store-management role to upload arbitrary files, including PHP ones, leading to Remote Code Execution.

Sources

NVD record for CVE-2026-84738

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H