PT-2026-102583 · Mozilla · Thunderbird+2
CVSS v3.1
8.1
High
| Vector | AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N |
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 157
Firefox ESR versions prior to 153.4
Thunderbird versions prior to 157
Description
A same-origin policy bypass exists in the DevTools component. The same-origin policy is a critical security mechanism that restricts how a document or script loaded from one origin can interact with a resource from another origin.
Recommendations
Update Firefox to version 157.
Update Firefox ESR to version 153.4.
Update Thunderbird to version 157.
Fix
Origin Validation Error
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Weakness Enumeration
Related Identifiers
Affected Products
Firefox
Firefox Esr
Thunderbird