🛡️ CVE-2022-31739
🟠 CVSS 8.8 — High ✅ No Known Exploit CWE-73 NVD
8.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

When downloading files on Windows, the % character was not escaped, which could have lead to a download incorrectly being saved to attacker-influenced paths that used variables such as %HOMEPATH% or %APPDATA%.
*This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.

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-73
Public Exploit ✅ No
Source NVD
Published 2022-12-22
Updated 2026-06-08
Modified 2025-04-16
Fix URL N/A

Affected Packages

Software From version Fixed in
firefox 101
firefox-esr 91.10
thunderbird 91.10

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