![]() ![]() This could have led to malicious websites storing tracking data without permission. When Firefox is configured to block storage of all cookies, it was still possible to store data in localstorage by using an iframe with a source of 'about:blank'. #CVE-2023-3482: Block all cookies bypass for localstorage Reporter Martin Hostettler Impact moderate Description Moving rather than deleting is a precautionary step.Mozilla Foundation Security Advisory 2023-22 Security Vulnerabilities fixed in Firefox 115 Announced JImpact high Products Firefox Fixed in Move the file called sessionstore.jsonlz4 to another location (like your desktop).The copy of the unaccessed backups folder was necessary and should be safe. Generally, you want to avoid file system operations (move, copy, delete) in this folder while Firefox is running. Make a copy of the sessionstore-backups folder.In the profile folder (for example, fault-release), if you scroll down a bit, you should see the sessionstore-backups folder.A file system view of your profile folder will show up.In the Application Basics section, click the Show in Finder Open Folder Open Directory button in the Profile Folder Profile Directory line (shown below on macOS).Open the Troubleshooting Information page by entering about:support in the Firefox address bar.If this page is empty or the Restore Session is disabled, continue reading. If a session is lost, hopefully the restore pages open automatically, but if not go to about:sessionrestore in the location bar.
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