Over 100,000 sites have been impacted in a supply chain attack by the Polyfill.io service after a ... A polyfill is code, such as JavaScript, ... For example, it adds JavaScript functions that are ...

Mozilla cleans up Firefox to cut risk of code injection attacks and deter use of a dangerous JavaScript function. Written by Liam Tung, Contributing Writer Oct. 14, 2019 at 5:32 a.m. PT ...