Stored XSS due to no sanitization in the filename in causefx/organizr

The impact of this XSS vulnerability is significant. An attacker can leverage it to execute arbitrary JavaScript code within the context of a victim's browser session. This can lead to a variety of malicious actions, including session hijacking, where the attacker gains control of the user's account. Sensitive data, such as personal information or financial details, could be exposed or stolen. Furthermore, the attacker could potentially redirect users to malicious websites or deface the application's interface. The lack of sanitization makes this a high-risk vulnerability, as it's relatively easy to exploit.

Organizations using organizr in their workflows, particularly those handling sensitive data or user accounts, are at risk. Shared hosting environments where multiple users share the same server instance are especially vulnerable, as an attacker exploiting this vulnerability on one user's account could potentially compromise other accounts on the same server.

• php: Examine application logs for unusual activity related to file uploads, specifically looking for filenames containing suspicious characters or script tags. Use grep to search for patterns like <script> or onerror=.

grep -r '<script>' /var/log/apache2/access.log

• generic web: Monitor HTTP requests for POST requests to file upload endpoints with unusual or malicious filenames in the Content-Disposition header. Use curl to test upload functionality with a known malicious filename.

curl -X POST -F "[email protected]" http://example.com/upload.php

1. 2022-04-13Disclosure

   disclosure

1. Reserviert2022-04-13
2. Veröffentlicht2022-04-13
3. Geändert2024-08-03
4. EPSS aktualisiert2026-04-02

The primary mitigation for CVE-2022-1344 is to immediately upgrade to version 2.1.1810 or later. This version includes the necessary fixes to properly sanitize filenames and prevent the XSS vulnerability. If upgrading is not immediately feasible, consider implementing a Web Application Firewall (WAF) rule to filter out potentially malicious filenames containing script tags or other XSS payloads. Additionally, carefully review and sanitize all user-supplied input, particularly filenames, within the application's codebase. After upgrading, confirm the fix by attempting to upload a file with a malicious filename (e.g., <script>alert('XSS')</script>.txt) and verifying that the script is not executed.