VULNERABILITY INTELLIGENCE
CVE-2025-5265
CVSS score4.8 MEDIUM
EPSS probability0.21%
CISA KEVNot currently listed
Published2025-05-27
Last modified2026-10-05
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
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 was fixed in Firefox 139, Firefox ESR 115.24, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-77
Primary references
- security@mozilla.org — Permissions Required
- security@mozilla.org — Vendor Advisory
- security@mozilla.org — Vendor Advisory
- security@mozilla.org — Vendor Advisory
- security@mozilla.org
- security@mozilla.org