CVE-2025-5265

Published May 27, 2025

Last updated a month ago

Overview

Description
Due to insufficient escaping of the ampersand character 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 bug only affects Firefox for Windows. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 139, Firefox ESR < 115.24, Firefox ESR < 128.11, Thunderbird < 139, and Thunderbird < 128.11.
Source
security@mozilla.org
NVD status
Modified

Risk scores

CVSS 3.1

Type
Secondary
Base score
4.8
Impact score
3.4
Exploitability score
1.3
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
Severity
MEDIUM

Weaknesses

134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-77

Social media

Hype score
Not currently trending

Configurations