CVE-2025-4083 (GCVE-0-2025-4083)

Vulnerability from cvelistv5 – Published: 2025-04-29 13:13 – Updated: 2026-04-13 14:27
VLAI?
Title
Process isolation bypass using "javascript:" URI links in cross-origin frames
Summary
A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended frame, potentially enabling a sandbox escape. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Firefox ESR 115.23, Thunderbird 138, and Thunderbird 128.10.
Severity ?
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE
  • CWE-653 - Improper Isolation or Compartmentalization
Assigner
References
Impacted products
Vendor Product Version
Mozilla Firefox Unaffected: 115.23 , ≤ 115.* (rpm)
Unaffected: 128.10 , ≤ 128.* (rpm)
Unaffected: 138 , ≤ * (rpm)
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    Mozilla Thunderbird Unaffected: 128.10 , ≤ 128.* (rpm)
Unaffected: 138 , ≤ * (rpm)
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Credits
Nika Layzell
Show details on NVD website
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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.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • 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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