Endian Firewall Stored Cross-Site Scripting Vulnerability in salearn.cgi

A stored cross-site scripting vulnerability has been identified in Endian Firewall versions through 3.3.25. The issue arises in the /cgi-bin/salearn.cgi script, where the remark user ham spam parameter can be exploited by authenticated attackers to inject arbitrary JavaScript. This injected script is stored on the server 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.