CVE-2024-34061: Reflected cross site scripting in changedetection.io

First published: Thu May 02 2024(Updated: )

### Summary Input in parameter notification_urls is not processed resulting in javascript execution in the application ### Details changedetection.io version: v0.45.21 https://github.com/dgtlmoon/changedetection.io/blob/0.45.21/changedetectionio/forms.py#L226 ``` for server_url in field.data: if not apobj.add(server_url): message = field.gettext('\'%s\' is not a valid AppRise URL.' % (server_url)) raise ValidationError(message) ``` ### PoC Setting > ADD Notification URL List  ``` "><img src=x onerror=alert(document.domain)> ```  Requests  ### Impact A reflected XSS vulnerability happens when the user input from a URL or POST data is reflected on the page without being stored, thus allowing the attacker to inject malicious content

Credit: security-advisories@github.com security-advisories@github.com

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