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Contentstudio Plugin Unrestricted File Upload Vulnerability Allowing Web Shells

Vulnerability

A vulnerability allowing unrestricted file uploads of dangerous types has been identified in the Contentstudio WordPress plugin, specifically in versions through 1.3.7. This vulnerability enables users to upload web shells to the web server.

Impact

Exploitation of this vulnerability allows for arbitrary file uploads, which could be used to upload and execute malicious scripts or web shells on the server.

Added: Jan 8, 2026, 10:39 AM
Updated: Jan 8, 2026, 7:16 PM

Vulnerability Rating

Custom Algorithm
spread
2.2
impact
10.0
exploitability
7.6
remediation
0.0
relevance
1.9
threat
0.0
urgency
2.9
incentive
5.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.