Security Advisory

CVE-2023-23602

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2023-06-02 00:00:00

Last updated 2025-12-18 15:22:56

Assigner mozilla

State PUBLISHED

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, Firefox ESR < 102.7, and Thunderbird < 102.7.

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