July 5, 2023, 10:15 a.m. |

National Vulnerability Database web.nvd.nist.gov

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'. This could have led to malicious websites storing tracking data without permission. This vulnerability affects Firefox < 115.

block cookies cve data firefox iframe led localstorage malicious permission storage store tracking vulnerability websites

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