CVE-2023-50897 CRITICAL

CVE-2023-50897: WordPress Media File Renamer plugin <= 5.7.7 - Arbitrary File Rename lead to RCE vulnerability

Vendor Meow Apps
Product Media File Renamer
Weakness CWE-434 · Unrestricted file upload
Published January 5, 2026
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

9.1/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Unrestricted Upload of File with Dangerous Type vulnerability in Meow Apps Media File Renamer allows Using Malicious Files.This issue affects Media File Renamer: from n/a through 5.7.7.

Explanation of Vulnerability in Simple Terms

02Summary

Media File Renamer versions up to 5.7.7 allow authenticated administrators to upload files without proper validation. An attacker with admin access can upload malicious files that execute on the site, potentially compromising the entire installation. The vulnerability affects file handling across the application due to scope change.

What an attacker can do

03Attacker Capabilities

Upload and execute malicious files on the site with admin privileges.

Potential impact on your site

04Site Impact

A compromised admin account can lead to full site takeover, data theft, or malware installation.

Conditions required to exploit

05Prerequisites

Attacker must have administrator-level access to the WordPress site.

Key dates

06Disclosure timeline

January 5, 2026 CVE published
April 28, 2026 Record updated