Arbitrary File Upload Vulnerability in WP Duplicate Plugin by WordPress
CVE-2026-39755

9.9CRITICAL

Key Information:

Vendor

WordPress

Vendor
CVE Published:
6 October 2026

What is CVE-2026-39755?

The WP Duplicate plugin for WordPress has a vulnerability that allows unauthorized users to upload arbitrary files. This issue affects versions up to 1.1.11, enabling attackers to potentially exploit this flaw to execute malicious scripts or upload harmful files to the server, posing serious security risks to the website and its data.

Affected Version(s)

WP Duplicate <= 1.1.11

References

CVSS V3.1

Score:
9.9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Aurélien BOURDOIS (Elymaro) | Patchstack Bug Bounty Program
.