Security researchers from Symantec identified 30 such popular websites from different countries affected with the campaign that includes fashion stores, educational websites, websites selling sports gear etc.
Also, the inject the scripts contains codes to check for the presence of debugging tools to prevent the security researchers in analyzing the scripts.
The malicious scripts use to extract the URL’s loaded in the browser and determines the page visitor is in and applies a hook on the browser and collects all the information the user entered and sends to the server controlled by attackers.
“We have seen a major uptick in formjacking attacks against high-profile websites across the globe. The locally popular websites in U.S., Japan, Germany, and Australia, among other countries are injected with formjacking scripts.”
The campaign appears to be active up to at least November 25, 2018, now Symantec notifying the issues to vendors and working in resolving the same.
As a user it is not possible to identify that you are a victim of formjacking, researchers website owners monitoring of all activity on a system and block all the suspicious actions.