GHSA-72m9-7c8x-pmmw LibreNMS uses Improper Sanitization on Service template name leads to Stored XSS

• Packagist librenms/librenms: < 24.4.0 → fixed in 24.4.0

Summary There is improper sanitization on Service template name which is reflecting in delete button onclick event. This value can be modified and crafted as any other javascript code. Vulnerable Code https://github.com/librenms/librenms/blob/a61c11db7e8ef6a437ab55741658be2be7d14d34/app/Http/Controllers/ServiceTemplateController.php#L67C23-L67C23 Above is vulnerable code line which needs to be properly sanitized PoC 1. Go to /services/templates 2. Enter name as `testing', '14', 'http://172.105.62.194:8000/services/templates/14');alert(1);//` 3. Submit it and try to delete it, you will see popup If you inspect element on delete button, you will notice this:- Impact Cross site scripting can lead to cookie stealing or an attacker can execute any other feature using this feature.