CVE-2023-23602
6.5MEDIUMA 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 insi
Published: 6/2/2023Updated: 12/18/2025
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.
AI AnalysisPowered by AI
Affected Products
mozillafirefox
mozillafirefox_esr
mozillathunderbird
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1800890Issue TrackingPermissions RequiredVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-01/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-02/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-03/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1800890Issue TrackingPermissions RequiredVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-01/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-02/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-03/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1800890Issue TrackingPermissions RequiredVendor Advisory