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

Vulnerability from cvelistv5 – Published: 2025-12-09 13:38 – Updated: 2026-04-13 14:25
VLAI
Title
Same-origin policy bypass in the Request Handling component
Summary
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.
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 Unaffected: 115.31 , ≤ 115.* (rpm)
Unaffected: 140.6 , ≤ 140.* (rpm)
Unaffected: 146 , ≤ * (rpm)
Create a notification for this product.
Mozilla Thunderbird Unaffected: 140.6 , ≤ 140.* (rpm)
Unaffected: 146 , ≤ * (rpm)
Create a notification for this product.
Credits
Igor Morgenstern
Show details on NVD website
To clipboard 

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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • 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.


Detection rules are retrieved from Rulezet.