Reflected XSS in LMS dbrecover.php and netremap.php
CVE-2026-40457 is a reflected cross-site scripting vulnerability in LMS (LAN Management System) affecting versions before commit 9c5651b. The issue is present in the dbrecover.php and netremap.php modules, where unsanitized GET parameters are directly embedded into HTML output. Because attacker-controlled input is reflected back into the response without proper output encoding or sanitization, an attacker can craft a malicious URL that causes arbitrary JavaScript to execute in the victim's browser when opened by an authenticated user. The available reporting also notes that exploitation may depend on application state, such as a network being defined in the system.
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