Threat intelligence

ProSolution WP Client <= 2.0.0 - Unauthenticated Arbitrary File Upload via 'files'

CVE-2026-6555 · prosolution-wp-client

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Prosolution Wp Client at a vulnerable version. How SiteRespond intelligence works

Vulnerability: ProSolution WP Client <= 2.0.0 - Unauthenticated Arbitrary File Upload via 'files'
Affected software: prosolution-wp-client(Plugin)
Affected versions: ≤ 2.0.0
Authentication: Unauthenticated
Vulnerability type: Remote code execution
CVE: CVE-2026-6555
Published: 19 May 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run arbitrary code on the server if exploited.
Source: Data imported from Wordfence Intelligence (advisory 0b870d35-7e10-4fb5-8c3b-2bf299d1f3d5). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed Prosolution Wp Client version against this catalog when the Defence plugin is connected to your WordPress site.

Start SiteRespond Defence for WordPress — £29.99/monthScan your website

All Prosolution Wp Client advisoriesBack to catalog