🛡️ CVE-2023-25729
🟠 CVSS 8.8 — High ✅ No Known Exploit CWE-863 NVD
8.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Permission prompts for opening external schemes were only shown for ContentPrincipals resulting in extensions being able to open them without user interaction via ExpandedPrincipals. 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.

Details

Severity HIGH
CVSS Score 8.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE CWE-863
Public Exploit ✅ No
Source NVD
Published 2023-06-02
Updated 2026-06-08
Modified 2025-01-10
Fix URL N/A

Affected Packages

Software From version Fixed in
firefox 110.0
firefox-esr 102.8
thunderbird 102.8

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