Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 96.0 |
| Mozilla | Firefox Esr | < 91.5 |
| Mozilla | Thunderbird | < 91.5 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1739220Issue Tracking
- https://www.mozilla.org/security/advisories/mfsa2022-01/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-02/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-03/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1739220Issue Tracking
- https://www.mozilla.org/security/advisories/mfsa2022-01/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-02/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-03/Vendor Advisory
FAQ
What is CVE-2022-22743?
CVE-2022-22743 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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...
How severe is CVE-2022-22743?
CVE-2022-22743 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-22743?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.