CVE-2025-5265

Severity CVSS v4.0:

Pending analysis

Type:

CWE-77 Command Injection

Publication date:

27/05/2025

Last modified:

13/04/2026

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&#39;s system.<br /> *This bug only affects Firefox for Windows. Other versions of Firefox are unaffected.*. This vulnerability was fixed in Firefox 139, Firefox ESR 115.24, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.

Impact

Vector 3.x

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

Base Score: 4.80 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): Low
Availability (A): Low

Base Score 3.x

4.80

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:mozilla:firefox:::::esr:::*		115.24.0 (excluding)
cpe:2.3:a:mozilla:firefox:::::-:::*		139.0 (excluding)
cpe:2.3:a:mozilla:firefox:::::esr:::*	116.0 (including)	128.11.0 (excluding)

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

CVE-2025-5265

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools