Executive Summary

This vulnerability is a stored cross-site scripting (XSS) issue in ChurchCRM versions prior to 6.5.3. It occurs on the pages 'View Active People', 'View Inactive People', and 'View All People'. Malicious scripts can be stored and executed when users visit these pages, potentially compromising user data or session information.

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Impact Analysis

The stored cross-site scripting vulnerability can allow attackers to execute malicious scripts in the context of the affected application. This can lead to unauthorized actions, theft of sensitive information, session hijacking, or other malicious activities that compromise the security and integrity of the system and its users.

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Mitigation Strategies

Upgrade ChurchCRM to version 6.5.3 or later, as this version fixes the stored cross-site scripting vulnerability present in earlier versions.

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Compliance Impact

The provided resources do not contain information about how this vulnerability affects compliance with common standards and regulations such as GDPR or HIPAA.

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Detection Guidance

This vulnerability can be detected by checking if the ChurchCRM instance is running a version prior to 6.5.3 and by testing the group name input field for stored XSS payloads. One approach is to attempt injecting a harmless script payload (e.g., <script>alert('XSS')</script>) into the group name field and then viewing the pages 'View Active People', 'View Inactive People', or 'View All People' to see if the script executes. Additionally, scanning for the presence of known vulnerable versions can be done by querying the application version. Specific commands depend on your environment, but for example, using curl to check the version or to submit a test payload via HTTP POST to the group creation endpoint can be used. However, no explicit commands are provided in the resources. [1]

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