Endian Firewall Stored Cross-Site Scripting Vulnerability in DHCP Fixed Leases Management

A stored cross-site scripting vulnerability has been identified in Endian Firewall versions through 3.3.25. The issue arises in the DHCP fixed leases management page, where the remark parameter can be exploited by authenticated attackers to inject arbitrary JavaScript. This injected script is stored and executed when other users view the affected page.

Impact

Exploitation of this vulnerability allows for stored cross-site scripting, where injected scripts are executed in the context of the user viewing the page.