CVE-2025-41043 in CMF
Summary
by MITRE • 09/04/2025
A vulnerability has been discovered in appRain CMF version 4.0.5, consisting of a stored authenticated XSS due to a lack of proper validation of user input, through the 'data[AppReportCode][id]' and 'data[AppReportCode][name]' parameters in /apprain/appreport/manage/.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 09/05/2025
This vulnerability represents a critical stored cross-site scripting flaw within the appRain Content Management Framework version 4.0.5, specifically affecting the administrative reporting module. The issue manifests through insufficient input validation mechanisms that fail to properly sanitize user-supplied data in two key parameters: 'data[AppReportCode][id]' and 'data[AppReportCode][name]'. These parameters are processed within the /apprain/appreport/manage/ endpoint, creating a persistent security weakness that allows authenticated attackers to inject malicious scripts into the application's data storage.
The technical exploitation of this vulnerability occurs when an authenticated user with administrative privileges submits malicious input through the affected parameters. The application fails to implement proper sanitization or encoding of user input before storing it in the database, enabling the malicious code to persist and execute whenever the affected data is rendered in subsequent user sessions. This stored nature of the vulnerability means that the malicious payload remains active even after the initial submission, making it particularly dangerous as it can affect multiple users over extended periods. The vulnerability directly maps to CWE-79, which defines Cross-Site Scripting as a weakness where untrusted data is incorporated into web page content without proper validation or encoding.
The operational impact of this vulnerability extends beyond simple script execution, as it provides attackers with potential access to sensitive administrative functions and user data. An attacker could leverage this flaw to steal session cookies, redirect users to malicious websites, or even escalate privileges within the application. The authenticated nature of the vulnerability means that exploitation requires legitimate administrative credentials, but this does not significantly reduce the risk as it can be achieved through credential theft, social engineering, or insider threats. The vulnerability also aligns with ATT&CK technique T1566, which covers social engineering tactics that could be used to obtain administrative access, and T1059, which encompasses command and scripting interpreters that could be leveraged through the executed malicious scripts.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application's data handling pipeline. The immediate solution requires sanitizing all user input through proper validation routines that reject or encode potentially dangerous characters before storing data in the database. Additionally, implementing Content Security Policy headers can provide an additional layer of protection against script execution. The application should also enforce strict parameter validation for all endpoints, particularly those handling administrative functions. Regular security audits and input validation testing should be conducted to prevent similar vulnerabilities from emerging in other parts of the application. Organizations should also consider implementing privileged access management controls and monitoring for suspicious administrative activities to detect potential exploitation attempts.