evercookie is a javascript API available that produces extremely persistent cookies in a browser. Its goal is to identify a client even after they've removed standard cookies, Flash cookies (Local Shared Objects or LSOs), and others.
There are no reported vulnerabilities
At one point, Open Hub analyzed source code for this project based on code location(s) available at that time. Since then, the code locations have been removed.
30 Day SummaryJun 21 2026 — Jul 21 2026
|
12 Month SummaryJul 21 2025 — Jul 21 2026
|