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appRain CMF Stored Authenticated Cross-Site Scripting Vulnerability

Vulnerability

A stored authenticated cross-site scripting vulnerability has been identified in appRain CMF version 4.0.5. This issue arises from inadequate validation of user input, specifically through the 'data[Addon][layouts]' and 'data[Addon][layouts_except]' parameters in the '/apprain/developer/addons/update/dialogs' endpoint.

Impact

Exploitation of this vulnerability allows for stored cross-site scripting, where injected scripts are executed in the context of the user.

Added: Sep 4, 2025, 12:22 PM
Updated: Sep 4, 2025, 6:30 PM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
1.7
exploitability
3.0
remediation
0.0
relevance
0.5
threat
0.0
urgency
2.9
incentive
1.7

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