← CVE Intelligence

CVE-2025-4083

Process isolation bypass using "javascript:" URI links in cross-origin frames PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Mozilla / Firefoxunaffected 115.23 through 115.*; unaffected 128.10 through 128.*; unaffected 138 through *
Mozilla / Thunderbirdunaffected 128.10 through 128.*; unaffected 138 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

CVE

No English description supplied.