Internal browser event interfaces were exposed to web content when...
Vulnerability Description
Internal browser event interfaces were exposed to web content when privileged EventHandler listener callbacks ran for those events. Web content that tried to use those interfaces would not be able to use them with elevated privileges, but their presence would indicate certain browser features had been used, such as when a user opened the Dev Tools console. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, Firefox ESR < 115.15, Thunderbird < 128.2, and Thunderbird < 115.15.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Gregory Pappas
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1906744
- https://www.mozilla.org/security/advisories/mfsa2024-39/
- https://www.mozilla.org/security/advisories/mfsa2024-40/
- https://www.mozilla.org/security/advisories/mfsa2024-41/
- https://www.mozilla.org/security/advisories/mfsa2024-43/
- https://www.mozilla.org/security/advisories/mfsa2024-44/
More from Mozilla
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Mozilla
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.