Malicious Cookie Stuffing Chrome Extensions with 1.4 Million Users

**Executive Summary:** McAfee Labs identified five Chrome extensions (combined >1.4M installs) that send users' visited URLs to attacker-controlled servers (e.g., d.langhort.com), then inject affiliate redirects/iframes or set cookies on targeted eCommerce sites to steal commissions; the report provides technical analysis (manifest, b0.js behavior, timing evasion), extension IDs, domains, behavioral flow, and detection/mitigation notes.