Forminator Forms Plugin up to 1.44.2 on WordPress PHAR File Parser entry_delete_upload_files deserialization

Summaryinfo

A vulnerability was found in Forminator Forms Plugin up to 1.44.2 on WordPress and classified as critical. The affected element is the function entry_delete_upload_files of the component PHAR File Parser. Executing a manipulation can lead to deserialization. The identification of this vulnerability is CVE-2025-6464. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Forminator Forms Plugin up to 1.44.2 on WordPress. It has been declared as critical. This vulnerability affects the function entry_delete_upload_files of the component PHAR File Parser. The manipulation with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect integrity, and availability. CVE summarizes:

The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.44.2 via deserialization of untrusted input in the 'entry_delete_upload_files' function. This makes it possible for unauthenticated attackers to inject a PHP Object through a PHAR file. No known POP chain is present in the vulnerable software, which means this vulnerability has no impact unless another plugin or theme containing a POP chain is installed on the site. If a POP chain is present via an additional plugin or theme installed on the target system, it may allow the attacker to perform actions like delete arbitrary files, retrieve sensitive data, or execute code depending on the POP chain present. Deserialization occurs when the form submission is deleted, whether by an Administrator or via auto-deletion determined by plugin settings.

The advisory is shared for download at wordfence.com. This vulnerability was named CVE-2025-6464 since 06/21/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/07/2025).

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-2025-19712). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• WordPress Plugin

Name

• Forminator Forms Plugin

Version

• 1.44.0
• 1.44.1
• 1.44.2

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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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