Barangay Population Monitoring System v1.0 was discovered to contain a cross-site scripting (XSS) vulnerability in the Add Resident function at /barangay-population-monitoring-system/masterlist.php. This vulnerabiity allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Contact Number parameter.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.