CVE-2026-2942
ProSolution WP Client <= 1.9.9 - Unauthenticated Arbitrary File Upload via proSol_fileUploadProcess
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-434 |
| Vendor | prosolution |
| Product | prosolution wp client |
| Published | Apr 8, 2026 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
prosolution / ProSolution WP Client
0 ≤ 1.9.9
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/3852aef6-42e7-4b71-a1ba-dd41284fd07b?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/prosolution-wp-client/trunk/public/class-prosolwpclient-public.php?rev=3331282#L993 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3484577/prosolution-wp-client
Credits
Nabil Irawan