Vulnerability Description
When exiting fullscreen mode, an iframe could have confused the browser about the current state of fullscreen, resulting in potential user confusion or spoofing attacks. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 101 |
| Mozilla | Firefox Esr | < 91.10 |
| Mozilla | Thunderbird | < 91.10 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1756388Issue TrackingPermissions RequiredVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-20/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-21/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-22/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1756388Issue TrackingPermissions RequiredVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-20/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-21/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-22/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1756388Issue TrackingPermissions RequiredVendor Advisory
FAQ
What is CVE-2022-31738?
CVE-2022-31738 is a vulnerability with a CVSS score of 6.5 (MEDIUM). When exiting fullscreen mode, an iframe could have confused the browser about the current state of fullscreen, resulting in potential user confusion or spoofing attacks. This vulnerability affects Thu...
How severe is CVE-2022-31738?
CVE-2022-31738 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-31738?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.