UserPro Plugin up to 5.1.10 on WordPress userpro_fbconnect path traversal

Summaryinfo

A vulnerability, which was classified as critical, has been found in UserPro Plugin up to 5.1.10 on WordPress. Impacted is the function userpro_fbconnect. Performing a manipulation results in path traversal. This vulnerability is reported as CVE-2025-4187. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, was found in UserPro Plugin up to 5.1.10 on WordPress. This affects the function userpro_fbconnect. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality. The summary by CVE is:

The UserPro - Community and User Profile WordPress Plugin plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 5.1.10 via the userpro_fbconnect() function. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the server, which can contain sensitive information.

The advisory is shared at wordfence.com. This vulnerability is uniquely identified as CVE-2025-4187 since 05/01/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/14/2025). MITRE ATT&CK project uses the attack technique T1006 for this issue.

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-2025-18329). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• WordPress Plugin

Name

• UserPro Plugin

Version

• 5.1.0
• 5.1.1
• 5.1.2
• 5.1.3
• 5.1.4
• 5.1.5
• 5.1.6
• 5.1.7
• 5.1.8
• 5.1.9
• 5.1.10

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Exploitinginfo

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Sourcesinfo

Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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