CVE-2023-4047
A bug in popup notifications delay calculation could have made it possible for an attacker to trick a user into granting permissions. This vulnerability...
- Published
- Aug 1, 2023
- Updated
- Feb 13, 2025
- Assigning CNA
- mozilla
- Evidence observed
- Aug 5, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 49.3%
- Model date
- Oct 19, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
A bug in popup notifications delay calculation could have made it possible for an attacker to trick a user into granting permissions. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.
Sources
CVE-2023-40477 PoC by Wild-Pointer
Responsible use
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