Drag and Drop Multiple File Upload for Contact Form 7 Plugin File Extension unrestricted upload

Summaryinfo

A vulnerability, which was classified as critical, was found in Drag and Drop Multiple File Upload for Contact Form 7 Plugin up to 1.3.8.9 on WordPress. The affected element is an unknown function of the component File Extension Handler. Such manipulation leads to unrestricted upload. This vulnerability is uniquely identified as CVE-2025-3515. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Drag and Drop Multiple File Upload for Contact Form 7 Plugin up to 1.3.8.9 on WordPress and classified as critical. Affected by this issue is some unknown functionality of the component File Extension Handler. The manipulation with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The Drag and Drop Multiple File Upload for Contact Form 7 plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient file type validation in all versions up to, and including, 1.3.8.9. This makes it possible for unauthenticated attackers to bypass the plugin's blacklist and upload .phar or other dangerous file types on the affected site's server, which may make remote code execution possible on the servers that are configured to handle .phar files as executable PHP scripts, particularly in default Apache+mod_php configurations where the file extension is not strictly validated before being passed to the PHP interpreter.

The advisory is shared for download at wordfence.com. This vulnerability is handled as CVE-2025-3515 since 04/11/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/12/2025). The MITRE ATT&CK project declares the attack technique as T1608.002.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-18492). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• WordPress Plugin

Name

• Drag and Drop Multiple File Upload for Contact Form 7 Plugin

Version

• 1.3.8.0
• 1.3.8.1
• 1.3.8.2
• 1.3.8.3
• 1.3.8.4
• 1.3.8.5
• 1.3.8.6
• 1.3.8.7
• 1.3.8.8
• 1.3.8.9

CPE 2.3info

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CPE 2.2info

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• 🔒

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Once again VulDB remains the best source for vulnerability data.

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