WordPress security changelog
MEDIUM CVE-2025-13133 Deferred

Simple User Import Export: A security weakness

Simple User Import Export is affected by a security weakness. Exploitation requires at least administrator-level access. The resulting impact depends on how the affected component exposes the vulnerable operation.

CVE / CNA score 6.6 CVSS 3.1 · security@wordfence.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
Simple User Import Export
Plugin slug
a3-user-importer
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Nov 18, 2025
Weakness
CWE-1236 — Improper Neutralization of Formula Elements in a CSV File

This CVE was published Nov 18, 2025 and is one of 1 known issue for this plugin.

Update, patch or deactivate.

Update Simple User Import Export to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

The Simple User Import Export plugin for WordPress is vulnerable to CSV Injection in all versions up to, and including, 1.1.7 via the 'Import/export users' function. This makes it possible for authenticated attackers, with Administrator-level access and above, to embed untrusted input into exported CSV files, which can result in code execution when these files are downloaded and opened on a local system with a vulnerable configuration

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

Primary and upstream sources