stored cross-site scripting

Stored cross-site scripting (stored XSS) is a web security vulnerability where an attacker injects malicious scripts into a server-side application, such as a forum or network video recorder interface, that are permanently stored and executed in the browsers of other users. On WindowsForum.com, discussions highlight a real-world example: CISA warned about CVE-2026-6824, a stored XSS flaw in CP Plus CP-UNR-108F1 NVRs. While not a Windows vulnerability, this issue is relevant to Windows administrators because browser sessions, credentials, and surveillance consoles converge on the NVR web interface. The flaw underscores how appliance-level stored XSS can become a foothold for attackers on flat office networks, emphasizing the need for patching and network isolation.