vanquish User Extra Fields Plugin up to 16.7 on WordPress wp-config.php save_fields absolute path traversal

Summaryinfo

A vulnerability, which was classified as critical, was found in vanquish User Extra Fields Plugin up to 16.7 on WordPress. Affected by this issue is the function save_fields of the file wp-config.php. The manipulation results in absolute path traversal. This vulnerability was named CVE-2025-7846. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in vanquish User Extra Fields Plugin up to 16.7 on WordPress. It has been classified as critical. Affected is the function save_fields of the file wp-config.php. The manipulation with an unknown input leads to a absolute path traversal vulnerability. CWE is classifying the issue as CWE-36. The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize absolute path sequences such as "/abs/path" that can resolve to a location that is outside of that directory. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The WordPress User Extra Fields plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the save_fields() function in all versions up to, and including, 16.7. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php).

The weakness was presented by Tonn. The advisory is available at wordfence.com. This vulnerability is traded as CVE-2025-7846 since 07/18/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/31/2025). This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

By approaching the search of inurl:wp-config.php it is possible to find vulnerable targets with Google Hacking.

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-2025-37305). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• WordPress Plugin

Vendor

• vanquish

Name

• User Extra Fields Plugin

Version

• 16.0
• 16.1
• 16.2
• 16.3
• 16.4
• 16.5
• 16.6
• 16.7

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

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Exploitinginfo

Threat Intelligenceinfo

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Timelineinfo

Sourcesinfo

Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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