CVE-2026-18781: CWE-94 Improper Control of Generation of Code ('Code Injection') in Drag and Drop Multiple File Upload for Contact Form 7
CVE-2026-18781 is a code injection vulnerability in the Drag and Drop Multiple File Upload for Contact Form 7 WordPress plugin before version 1.3.9.9. The plugin fails to properly validate the final name of uploaded files after character stripping, allowing unauthenticated users to bypass file type restrictions and execute arbitrary code on the server. No official patch or remediation guidance is currently available. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
The Drag and Drop Multiple File Upload for Contact Form 7 WordPress plugin versions prior to 1.3.9.9 contain a CWE-94 improper control of code generation vulnerability. This occurs because the plugin does not validate the final filename of uploaded files after stripping characters, enabling unauthenticated attackers to bypass file type restrictions and execute arbitrary code on the server. The vulnerability was published on 2026-08-21, with no CVSS score or remediation level provided by the vendor or authoritative sources. The plugin is not a cloud service, and no patch links or vendor advisories are currently available.
Potential Impact
Successful exploitation allows unauthenticated attackers to execute arbitrary code on the affected server, potentially leading to full system compromise. This could result in unauthorized access, data theft, or further attacks originating from the compromised server.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict or monitor file uploads through this plugin and consider disabling the plugin if possible to reduce risk.
CVE-2026-18781: CWE-94 Improper Control of Generation of Code ('Code Injection') in Drag and Drop Multiple File Upload for Contact Form 7
Description
CVE-2026-18781 is a code injection vulnerability in the Drag and Drop Multiple File Upload for Contact Form 7 WordPress plugin before version 1.3.9.9. The plugin fails to properly validate the final name of uploaded files after character stripping, allowing unauthenticated users to bypass file type restrictions and execute arbitrary code on the server. No official patch or remediation guidance is currently available. There are no known exploits in the wild at this time.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Drag and Drop Multiple File Upload for Contact Form 7 WordPress plugin versions prior to 1.3.9.9 contain a CWE-94 improper control of code generation vulnerability. This occurs because the plugin does not validate the final filename of uploaded files after stripping characters, enabling unauthenticated attackers to bypass file type restrictions and execute arbitrary code on the server. The vulnerability was published on 2026-08-21, with no CVSS score or remediation level provided by the vendor or authoritative sources. The plugin is not a cloud service, and no patch links or vendor advisories are currently available.
Potential Impact
Successful exploitation allows unauthenticated attackers to execute arbitrary code on the affected server, potentially leading to full system compromise. This could result in unauthorized access, data theft, or further attacks originating from the compromised server.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict or monitor file uploads through this plugin and consider disabling the plugin if possible to reduce risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-08-04T08:02:58.759Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a87eebfacd9273b49b49ec1
Added to database: 08/21/2026, 06:22:55 UTC
Last enriched: 08/21/2026, 06:37:21 UTC
Last updated: 08/21/2026, 06:37:21 UTC
Views: 4
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