Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-38506

Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 43.4%
CVSS Severity
CVSS v3 Score 4.3
CVSS v2 Score 4.3
References
Products affected by CVE-2021-38506


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