vulnerability

MFSA2023-07 Thunderbird: Security Vulnerabilities fixed in Thunderbird 102.8 (CVE-2023-25729)

Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Feb 15, 2023
Added
Feb 17, 2023
Modified
Mar 27, 2026

Description

Permission prompts for opening external schemes were only shown for <code>ContentPrincipals</code> resulting in extensions being able to open them without user interaction via <code>ExpandedPrincipals</code>. This could lead to further malicious actions such as downloading files or interacting with software already installed on the system. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

Solution

mozilla-thunderbird-upgrade-102_8
Title
Rapid7 Labs

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