Vulnerability Report

CVE-2026-2942

RCE

Title: Arbitrary File Upload in ProSolution WP Client plugin

RCE

Proof Of Concept

PoC Available for CVE-2026-2942

CWE Category CWE-434

Published Date Apr 08, 2026

Modified Date Apr 24, 2026

Exploit Status Available

Score 9.8 CVSS v3.1

Exploit Probability (EPSS)

0.58%

Vulnerability Summary

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 unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

Impacted Vendors

Analysis in Progress...

Reference Links

https://plugins.trac.wordpress.org/browser/prosolution-wp-client/trunk/public/class-prosolwpclient-public.php?rev=3331282#L993 https://plugins.trac.wordpress.org/changeset/3484577/prosolution-wp-client https://www.wordfence.com/threat-intel/vulnerabilities/id/3852aef6-42e7-4b71-a1ba-dd41284fd07b?source=cve

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-2942 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/xxconi/CVE-2026-2942

View Code

April 24, 2026 MODIFIED

Vulnerability data updated via NVD.

April 24, 2026 MODIFIED

Vulnerability data updated via NVD.

April 08, 2026 MODIFIED

Vulnerability data updated via NVD.

April 08, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.