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CVE-Disclosures/ChurchCRM/CVE-2023-26843/
CVE-Disclosures/ChurchCRM/CVE-2023-26843/

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CVE-2023-26843 - Cross-Site Scripting (Stored) via NoteEditor.php

Researchers 10splayaSec
Severity 5.4 (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)
Published https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-26843
Software Link https://github.com/ChurchCRM/CRM

Description

A stored Cross-site scripting (XSS) vulnerability in ChurchCRM 4.5.3 allows remote attackers to inject arbitrary web script or HTML via the NoteEditor.php.

Proof of Concept

  1. On the left sidebar, navigate to the View Active Families dropdown and click on the blue icon.

  1. Click on Add a Note.

  1. Click Source and type "><img src=x onerror=alert(document.cookie)> into the text area. Then click Save.

  1. You will be redirect to the family page, where you will receive a pop-up with the cookie inside an alert box.

It is important to note that this also works with people as well. Use the following endpoint to use a PersonID: /churchcrm/NoteEditor.php?PersonID=<ID>