WordPress security changelog
CRITICAL CVE-2026-65461 Deferred

Really Simple CSV Importer: Dangerous file upload

Really Simple CSV Importer is affected by dangerous file upload. Exposure depends on how the affected operation is made reachable by the site. Successful exploitation can place attacker-controlled executable content on the server and may lead to full site compromise. The published affected range is n/a through 1.3.

CVE / CNA score 9.1 CVSS 3.1 · audit@patchstack.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
Really Simple CSV Importer
Plugin slug
really-simple-csv-importer
Affected
n/a through 1.3
Safe version
1.3.1
Published
Jul 23, 2026
Weakness
CWE-434 — Unrestricted Upload of File with Dangerous Type

This CVE was published Jul 23, 2026 and is one of 1 known issue for this plugin.

Patch or disable the affected component.

Update Really Simple CSV Importer to 1.3.1 or later, or disable and remove it until a fixed version is available.

Technical description

Administrator Arbitrary File Upload in Really Simple CSV Importer <= 1.3 versions.

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

Primary and upstream sources