CVE-2026-39755: CWE-434 Unrestricted Upload of File with Dangerous Type in revmakx WP Duplicate
Description
Subscriber Arbitrary File Upload in WP Duplicate <= 1.1.11 versions.
CVSS v3.1
Score 9.9critical
Affected software
revmakx
WP Duplicate
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-434 (Unrestricted Upload of File with Dangerous Type), exists in the WP Duplicate plugin for WordPress, specifically in versions up to 1.1.11. It allows users with subscriber-level privileges to upload arbitrary files without proper validation or restriction on file types. The CVSS 3.1 score is 9.9, indicating critical severity with network attack vector, low attack complexity, privileges required at the subscriber level, no user interaction, and complete impact on confidentiality, integrity, and availability.
Potential Impact
An attacker with subscriber access can upload malicious files, potentially leading to remote code execution, data compromise, or denial of service. The vulnerability compromises all security properties (confidentiality, integrity, availability) of the affected system, making it critical to address.
Mitigation Recommendations
No official patch or remediation information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict subscriber upload permissions or disable the plugin if possible to mitigate risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-04-07T10:58:58.454Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ac4b6392cdf04f65690d8c1
Added to database: 10/06/2026, 08:50:01 UTC
Last enriched: 10/06/2026, 09:33:50 UTC
Last updated: 10/06/2026, 18:57:28 UTC
Views: 3
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