CVE-2025-4089

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.

CVSS v3 5.1 MEDIUM

5.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.5 / Impact : 2.5

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1949994%2C1956698%2C1960198	Broken Link
https://www.mozilla.org/security/advisories/mfsa2025-28/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-31/	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mozilla:firefox:::::-:::*
	cpe:2.3:a:mozilla:thunderbird:::::-:::*

History

30 Sep 2026, 18:10

Type	Values Removed	Values Added
Summary	(es) Debido a la insuficiente capacidad de escape de caracteres especiales en la función "copiar como cURL", un atacante podría engañar a un usuario para que use este comando, lo que podría provocar la ejecución de código local en su sistema. Esta vulnerabilidad afecta a Firefox (versión anterior a la 138) y Thunderbird (versión anterior a la 138).	(es) Debido a la insuficiente capacidad de escape de caracteres especiales en la función “copiar como cURL”, un atacante podría engañar a un usuario para que use este comando, lo que podría provocar la ejecución de código local en su sistema. Esta vulnerabilidad afecta a Firefox (versión anterior a la 138) y Thunderbird (versión anterior a la 138).

Information

Published : 2025-04-29 14:15

Updated : 2026-09-30 18:10

NVD link : CVE-2025-4089

Mitre link : CVE-2025-4089

CVE.ORG link : CVE-2025-4089

JSON object : View

Products Affected

mozilla

firefox
thunderbird

CWE

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

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