CVE-2026-123751
Received Received - Intake

Unauthenticated File Upload RCE in WP Duplicate WordPress Plugin

Publication date: 2026-11-09

Last updated on: 2026-11-09

Assigner: WPScan

Description
The WP Duplicate WordPress plugin through 1.1.11 does not properly verify a request authentication value and does not validate the path or type of uploaded files, making it possible for unauthenticated attackers to write arbitrary files to the server and achieve remote code execution. This vulnerability is being actively exploited in the wild.

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Meta Information

Published
2026-11-09
Last Modified
2026-11-09
Generated
2026-11-09
AI Q&A
2026-11-09
EPSS Evaluated
N/A
NVD
CVE-2026-123751
EUVD
EUVD-2026-119835

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Unknown WP Duplicate From 0 (inc) to 1.1.11 (inc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

CVE-2026-123751 affects the WP Duplicate WordPress plugin up to version 1.1.11. It allows unauthenticated attackers to bypass authentication and upload arbitrary files to the server due to improper file upload validation. This can lead to remote code execution.

Detection Guidance

Check if the WP Duplicate plugin version 1.1.11 or earlier is installed on your WordPress site. Look for unauthorized file uploads in the server's uploads directory or suspicious files with unusual extensions. Review server logs for POST requests to wp-admin/admin-ajax.php or similar endpoints.

Impact Analysis

Attackers can exploit this to upload malicious files, gain control of the server, and execute arbitrary code. This may result in complete system compromise, data theft, or further attacks on the network.

Compliance Impact

This vulnerability could lead to unauthorized access, data breaches, or loss of sensitive data, violating GDPR and HIPAA requirements for data protection and security. Non-compliance may result in legal penalties and reputational damage.

Mitigation Strategies

Immediately disable and remove the WP Duplicate plugin from your WordPress installation. Restrict write permissions on the server's uploads directory. Monitor for signs of compromise such as unexpected files or processes. Consider implementing a web application firewall to block exploitation attempts.

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