Vulnerability Description
Same-origin policy bypass in the Request Handling component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.
CVSS Score
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 115.31.0 |
| Mozilla | Thunderbird | < 140.6.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2000218Issue TrackingPermissions Required
- https://www.mozilla.org/security/advisories/mfsa2025-92/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-93/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-94/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-95/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-96/Vendor Advisory
FAQ
What is CVE-2025-14331?
CVE-2025-14331 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Same-origin policy bypass in the Request Handling component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.
How severe is CVE-2025-14331?
CVE-2025-14331 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-2025-14331?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Thunderbird.