SARA / Free Tools / CVE / CVE-2022-45410

CVE-2022-45410 — When a ServiceWorker intercepted a request with <code>FetchEvent</code>, the ori

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.

CVSS
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EPSS
0.15% (top 64.30%)
CWE
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Published
2022-12-22T00:00:00.000Z
Last modified
2025-04-15T14:37:47.758Z
CVSS vector
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01What is this vulnerability?

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.

02Affected products

VendorProductVersions
MozillaFirefox ESRunspecified
MozillaThunderbirdunspecified
MozillaFirefoxunspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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