Vulnerability Description
A background script invoking <code>requestFullscreen</code> and then blocking the main thread could force the browser into fullscreen mode indefinitely, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 110.0 |
| Mozilla | Firefox Esr | < 102.8 |
| Mozilla | Thunderbird | < 102.8 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1794622Issue TrackingPermissions RequiredVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-05/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-06/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-07/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1794622Issue TrackingPermissions RequiredVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-05/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-06/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-07/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1794622Issue TrackingPermissions RequiredVendor Advisory
FAQ
What is CVE-2023-25730?
CVE-2023-25730 is a vulnerability with a CVSS score of 5.4 (MEDIUM). A background script invoking <code>requestFullscreen</code> and then blocking the main thread could force the browser into fullscreen mode indefinitely, resulting in potential user confusion or spoofi...
How severe is CVE-2023-25730?
CVE-2023-25730 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-25730?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.