CVE-2025-14331 (GCVE-0-2025-14331)

Vulnerability from cvelistv5 – Published: 2025-12-09 13:38 – Updated: 2025-12-10 14:32
VLAI?
Summary
Same-origin policy bypass in the Request Handling component. This vulnerability affects Firefox < 146, Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
Severity ?
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-346 - Origin Validation Error
Assigner
References
Impacted products
Vendor Product Version
Mozilla Firefox Affected: unspecified , < 146 (custom)
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    Mozilla Firefox ESR Affected: unspecified , < 115.31 (custom)
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    Mozilla Firefox ESR Affected: unspecified , < 140.6 (custom)
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    Mozilla Thunderbird Affected: unspecified , < 146 (custom)
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    Mozilla Thunderbird Affected: unspecified , < 140.6 (custom)
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Credits
Igor Morgenstern
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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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