Medium (6.1) in pulsesecure pulse connect secure. EPSS 0.9% chance of exploitation in the next 30 days.
Pulse Connect Secure 8.3R1 has Reflected XSS in launchHelp.cgi. The helpLaunchPage parameter is reflected in an IFRAME element, if the value contains two quotes. It properly sanitizes quotes and tags, so one cannot simply close the src with a quote and inject after that. However, an attacker can use javascript: or data: to abuse this.
Severity
CVSS 3.0
6.1 medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.9% chance of exploitation in the next 30 days; higher than 59% of CVEs (scores of 2026-10-31)