Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Pulse Connect Secure 8.3R1 has Reflected XSS in adminservercacertdetails.cgi. In the admin panel, the certid parameter of adminservercacertdetails.cgi is reflected in the application's response and is not properly sanitized, allowing an attacker to inject tags. An attacker could come up with clever payloads to make the system run commands such as ping, ping6, traceroute, nslookup, arp, etc.
CWE-79 - Cross Site Scripting
Cross-Site Scripting, commonly referred to as XSS, is the most dominant class of vulnerabilities. It allows an attacker to inject malicious code into a pregnable web application and victimize its users. The exploitation of such a weakness can cause severe issues such as account takeover, and sensitive data exfiltration. Because of the prevalence of XSS vulnerabilities and their high rate of exploitation, it has remained in the OWASP top 10 vulnerabilities for years.