Arbitrary file upload in Prosolution Wp Client
CVE-2026-2942
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 u…
Vulnerability class: Unrestricted File Upload
EPSS: 0.002 (39.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Prosolution Wp Client — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2026-2942?
- CVE-2026-2942 is a critical-severity vulnerability in Prosolution Wp Client, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-04-08.
- How severe is CVE-2026-2942?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2026-2942 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.