CVSS v3
8.8
HIGH
EPSS Score
66.3%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
If an attacker was able to corrupt the methods of an Array object in JavaScript via prototype pollution, they could have achieved execution of attacker-controlled JavaScript code in a privileged context. This vulnerability affects Firefox ESR < 91.9.1, Firefox < 100.0.2, Firefox for Android < 100.3.0, and Thunderbird < 91.9.1.
If an attacker was able to corrupt the methods of an Array object in JavaScript via prototype pollution, they could have achieved execution of attacker-controlled JavaScript code in a privileged context. This vulnerability affects Firefox ESR < 91.9.1, Firefox < 100.0.2, Firefox for Android < 100.3.0, and Thunderbird < 91.9.1.
Active exploitation of CVE-2022-1802 has not been confirmed. The EPSS score is 66.3%, indicating the estimated probability of exploitation in the next 30 days.
CVE-2022-1802 has a CVSS v3 base score of 8.8 (HIGH severity).
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Ranked by exploit probability (EPSS).