Nine of the ten most popular Firefox add-ons, based on users, are vulnerable to extension reuse vulnerabilities that allow malicious extensions to leverage these vulnerabilities.
Add-ons are one of the hallmarks of the Firefox web browser. The most popular Firefox add-ons are used by millions of users, and since the extension system in place does not limit add-on developers as much as on other platforms, some add miraculous things to the browser that are not possible elsewhere.
While researchers have analyzed the security risk associated with an “everything goes”…
Firefox Cross-Extension vulnerability discovered
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