Cross-site scripting (XSS) vulnerability in the web user interface on Cisco Small Business SPA300 and SPA500 phones allows remote attackers to inject arbitrary web script or HTML via a crafted URL, aka Bug ID CSCuo52582.

The debug console interface on Cisco Small Business SPA300 and SPA500 phones does not properly perform authentication, which allows local users to execute arbitrary debug-shell commands, or read or modify data in memory or a filesystem, via direct access to this interface, aka Bug ID CSCun77435.