Vulnerability in Mozilla Firefox
CVE-2022-22743
When navigating from inside an iframe while requesting fullscreen access, an attacker-controlled tab could have made the browser unable to leave fullscreen mode. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
EPSS: 0.006 (47.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
- Mozilla Firefox_esr
- Mozilla Thunderbird — versions unspecified
References
- security@mozilla.org (Vendor Advisory)
- security@mozilla.org (Vendor Advisory)
- security@mozilla.org (Vendor Advisory)
- security@mozilla.org (Issue Tracking)
Frequently asked questions
- What is CVE-2022-22743?
- CVE-2022-22743 is a medium-severity vulnerability in Mozilla Firefox. CVSS score: 4.3/10. Published 2022-12-22.
- How severe is CVE-2022-22743?
- Medium severity. CVSS v3 base score is 4.3 out of 10.