cvedb.io
CVE-2025-10859
MEDIUM · CVSS 4
EPSS exploitation probability: 0%
Published 2025-09-30T13:15:48.550 · Last modified 2026-06-17T08:29:10.303

Summary

Cookie storage for non-HTML temporary documents was being shared incorrectly with normal browsing content, allowing information from private tabs to escape Incognito mode even after the user closed all tabs. This vulnerability was fixed in Firefox for iOS 143.1.

Affected products

mozilla — firefox

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.