CVE-2025-4084

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

29/04/2025

Last modified:

13/04/2026

Description

Due to insufficient escaping of the 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&#39;s system.<br /> *This bug only affects Firefox for Windows. Other versions of Firefox are unaffected.*. This vulnerability was fixed in Firefox ESR 128.10, Firefox ESR 115.23, and Thunderbird 128.10.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.70 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x

5.70

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:mozilla:firefox:::::esr:::*		115.23 (excluding)
cpe:2.3:a:mozilla:firefox:::::esr:::*	128.0 (including)	128.10 (excluding)
cpe:2.3:a:mozilla:thunderbird:::::esr:::*		128.10.0 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2025-4084

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools