SecuriTricks - CVE-2025-5265

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, and Firefox ESR < 128.11.

Product(s) Impacted

Vendor	Product	Versions
Mozilla	Firefox Firefox Esr	<139 <115.24, <128.11

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-77

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

The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	mozilla	firefox	<139	/	/	/	/	/	/	/
a	mozilla	firefox_esr	<115.24	/	/	/	/	/	/	/
a	mozilla	firefox_esr	<128.11	/	/	/	/	/	/	/

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1962301

https://www.mozilla.org/security/advisories/mfsa2025-42/

https://www.mozilla.org/security/advisories/mfsa2025-43/

https://www.mozilla.org/security/advisories/mfsa2025-44/

CVSS Score

4.8 / 10

CVSS Data - 3.1

Attack Vector: LOCAL
Attack Complexity: LOW
Privileges Required: LOW
Scope: UNCHANGED
Confidentiality Impact: LOW
Integrity Impact: LOW
Availability Impact: LOW

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

View Vector String

Timeline

Published: May 27, 2025, 1:15 p.m.
Last Modified: May 28, 2025, 3:01 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

security@mozilla.org

CVE-2025-5265