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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2023-23602

Content Security Policy wasn't being correctly applied to WebSockets in WebWorkers

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Mozilla Firefox

  • unspecified to < 109affected

Mozilla Firefox ESR

  • unspecified to < 102.7affected

Mozilla Thunderbird

  • unspecified to < 102.7affected

References