CVE-2026-2942 ProSolution WP Client <= 1.9.9 - Unauthenticated Arbitrary File Upload via proSol_fileUploadProcess
Unauthenticated attackers can upload arbitrary files via the ProSolution WP Client plugin, potentially leading to remote code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-2942?
CVE-2026-2942 is a critical vulnerability in ProSolution WP Client, published on 8 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-434
Which versions are affected by CVE-2026-2942?
How do I fix CVE-2026-2942?
No fix has been published for CVE-2026-2942 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-2942 being exploited?
There is no known exploitation of CVE-2026-2942 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-58qw-hm39-96q8.