CVE-2011-10041 CRITICAL

CVE-2011-10041: Uploadify <= 1.0 Unauthenticated Arbitrary File Upload

Vendor Steven
Product Uploadify
Weakness CWE-434 · Unrestricted file upload
Published January 15, 2026
Last update May 14, 2026

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Uploadify WordPress plugin versions up to and including 1.0 contain an arbitrary file upload vulnerability in process_upload.php due to missing file type validation. An unauthenticated remote attacker can upload arbitrary files to the affected WordPress site, which may allow remote code execution by uploading executable content to a web-accessible location.

Explanation of Vulnerability in Simple Terms

02Summary

Uploadify versions 1.0 and earlier allow unauthenticated attackers to upload files without restriction. An attacker can send a crafted upload request over the network to place arbitrary files on the server, potentially including executable code. No user interaction or special privileges are required to exploit this vulnerability.

What an attacker can do

03Attacker Capabilities

Upload arbitrary files to the server, including executable code or malware.

Potential impact on your site

04Site Impact

Attackers can upload malicious files and execute code on your site without logging in.

Conditions required to exploit

05Prerequisites

Network access to the Uploadify component; no authentication required.

Key dates

06Disclosure timeline

January 15, 2026 CVE published
May 14, 2026 Record updated