Malicious websites could have tricked users into accepting launching a program to handle an external URL protocol. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
Published 2022-12-22 20:15:14
Updated 2022-12-29 15:47:53
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2022-22739

0.11%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 44 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-22739

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.5
MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
2.8
3.6
NIST

References for CVE-2022-22739

Products affected by CVE-2022-22739

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