CVE-2026-53592

CVE-2026-53592 affects FreeScout (Laravel-based). A prototype pollution flaw in the frontend JavaScript function getQueryParam (/public/js/main.js) allows attacker-controlled URL query strings to write into Object.prototype. Initial fix in 1.8.139 blocked top-level proto keys but did not sanitize...

CVE-2026-53592

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. A Prototype Pollution condition in the getQueryParam function /public/js/main.js and was addressed in version 1.8.139 by blocking URL query keys matching the pattern proto. However, this mitigation is incomplete: i...