CVE-2026-2942
Received Received - Intake
Arbitrary File Upload in ProSolution WP Client Plugin Enables RCE

Publication date: 2026-04-08

Last updated on: 2026-04-08

Assigner: Wordfence

Description
The ProSolution WP Client plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'proSol_fileUploadProcess' function in all versions up to, and including, 1.9.9. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
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Meta Information
Published
2026-04-08
Last Modified
2026-04-08
Generated
2026-06-16
AI Q&A
2026-04-08
EPSS Evaluated
2026-06-15
NVD
CVE-2026-2942
EUVD
EUVD-2026-20531
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
prosolution wp_client to 1.9.9 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-434 The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.
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Executive Summary

The ProSolution WP Client plugin for WordPress has a vulnerability in the 'proSol_fileUploadProcess' function where it does not validate the type of files being uploaded.

Because of this missing file type validation, unauthenticated attackers can upload arbitrary files to the affected website's server.

This vulnerability exists in all versions up to and including version 1.9.9.

Uploading arbitrary files can potentially allow attackers to execute remote code on the server.

Compliance Impact

The vulnerability allows unauthenticated attackers to upload arbitrary files to the affected server, potentially leading to remote code execution. This can compromise the confidentiality, integrity, and availability of data hosted on the affected WordPress site.

Such a compromise could lead to violations of common standards and regulations like GDPR and HIPAA, which require protection of sensitive data and maintaining secure systems to prevent unauthorized access or data breaches.

However, the provided information does not explicitly detail the impact on compliance with these standards.

Impact Analysis

This vulnerability can have severe impacts because it allows unauthenticated attackers to upload arbitrary files to your server.

Such file uploads can lead to remote code execution, which means attackers could run malicious code on your server.

The potential consequences include full compromise of the affected website, data theft, defacement, or using the server as a launchpad for further attacks.

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