form-data up to 2.5.3/3.0.2/4.0.2 HTTP Parameter lib/form_data.Js random values

Summaryinfo

A vulnerability classified as problematic was found in form-data up to 2.5.3/3.0.2/4.0.2. Impacted is an unknown function in the library lib/form_data.Js of the component HTTP Parameter Handler. Such manipulation leads to random values. This vulnerability is traded as CVE-2025-7783. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in form-data up to 2.5.3/3.0.2/4.0.2 and classified as problematic. Affected by this issue is an unknown function in the library lib/form_data.Js of the component HTTP Parameter Handler. The manipulation with an unknown input leads to a random values vulnerability. Using CWE to declare the problem leads to CWE-330. The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Use of Insufficiently Random Values vulnerability in form-data allows HTTP Parameter Pollution (HPP). This vulnerability is associated with program files lib/form_data.Js. This issue affects form-data: < 2.5.4, 3.0.0 - 3.0.3, 4.0.0 - 4.0.3.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2025-7783 since 07/18/2025. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1600.001.

The vulnerability scanner Nessus provides a plugin with the ID 243243 (Debian dla-4261 : node-form-data - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.5.4, 3.0.3 or 4.0.3 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (243243) and CERT Bund (WID-SEC-2025-1854). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

• HCL BigFix

Productinfo

Name

• form-data

Version

• 2.5.0
• 2.5.1
• 2.5.2
• 2.5.3
• 3.0.0
• 3.0.1
• 3.0.2
• 4.0.0
• 4.0.1
• 4.0.2

Website

• Product: https://github.com/form-data/form-data/

CPE 2.3info

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CPE 2.2info

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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