CVE-2023-23602 Information

Description

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 Thunderbird < 102.7 and Firefox ESR < 102.7.

Reference

https://www.mozilla.org/security/advisories/mfsa2023-01/ https://www.mozilla.org/security/advisories/mfsa2023-03/ https://www.mozilla.org/security/advisories/mfsa2023-02/ https://bugzilla.mozilla.org/show_bug.cgi?id=1800890