CVE-2025-4089

MEDIUM

Firefox < 138.0 - Command Injection via Copy as cURL Feature

Title source: llm
STIX 2.1

Description

Due to insufficient escaping of special characters in the "copy as cURL" feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. This vulnerability was fixed in Firefox 138 and Thunderbird 138.

Scores

CVSS v3 5.1
EPSS 0.0007
EPSS Percentile 20.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-77
Status published
Products (4)
mozilla/firefox < 138.0
Mozilla/Firefox 138
mozilla/thunderbird < 138.0
Mozilla/Thunderbird 138
Published Apr 29, 2025
Tracked Since Feb 18, 2026