A phishing site could have repurposed an `about:` dialog to show phishing content with an incorrect origin in the address bar. This vulnerability affects Firefox < 122 and Thunderbird < 115.7.
CVE ID: CVE-2024-0749
CVSS Base Severity: MEDIUM
CVSS Base Score: 4.3
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Vendor: Mozilla
Product: Firefox, Thunderbird
EPSS Score: 0.34% (probability of being exploited)
EPSS Percentile: 55.85% (scored less or equal to compared to others)
EPSS Date: 2025-06-19 (when was this score calculated)
SSVC Exploitation: none
SSVC Technical Impact: partial
SSVC Automatable: false