CVE-2022-45410

When a ServiceWorker intercepted a request with <code>FetchEvent</code>, the origin of the request was lost after the ServiceWorker took ownership of it. This had the effect of negating SameSite cookie protections. This was addressed in the spec and then in browsers. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.

• CWE-862

• https://bugzilla.mozilla.org/show_bug.cgi?id=1658869Issue Tracking, Permissions Required, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-47/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-48/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-49/Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1658869Issue Tracking, Permissions Required, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-47/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-48/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-49/Vendor Advisory

Published

Dec 22, 2022

Last Modified

Jun 17, 2026

Status

Modified

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