PostHog-js is a library to interface with the PostHog analytics tool. Versions prior to 1.57.2 have the potential for cross-site scripting. Problem has been patched in 1.57.2. Users are advised to upgrade. Users unable to upgrade should ensure that their Content Security Policy is in place.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.