cvedb.io
CVE-2023-23602
MEDIUM · CVSS 6.5
EPSS exploitation probability: 0%
Published 2023-06-02T17:15:10.777 · Last modified 2026-06-17T05:37:33.320

Summary

A mishandled security check when creating a WebSocket in a WebWorker caused the Content Security Policy connect-src header to be ignored. This could lead to connections to restricted origins from inside WebWorkers. This vulnerability affects Firefox < 109, Firefox ESR < 102.7, and Thunderbird < 102.7.

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.