{"id":"CVE-2025-4084","title":"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's system.\n*This bug only affects Firefo…","summary":"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's system.\n*This bug only affects Firefo…","severity":"medium","cvss":5.7,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N","cwe":["CWE-116"],"vendor":"mozilla","product":"firefox","affected":["firefox < 115.23","firefox >= 128.0, < 128.10","thunderbird < 128.10.0"],"patched":["firefox 128.10","thunderbird 128.10.0"],"published":"2025-04-29","updated":"2026-09-30","sourceUpdated":"2026-09-30T18:10:00.190","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-4084","references":[{"url":"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1949994%2C1956698%2C1960198","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-29/","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-30/","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-32/","label":"security@mozilla.org"},{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00022.html","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00438,"epssPercentile":0.35717,"ingestedAt":"2026-09-30T18:17:24.433Z","slug":"CVE-2025-4084","body":"## Overview\n\nDue 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's system.\n*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.\n\n## Affected\n\n- `firefox < 115.23`\n- `firefox >= 128.0, < 128.10`\n- `thunderbird < 128.10.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `firefox 128.10`\n- `thunderbird 128.10.0`","depth":"sunlit","depthScore":31,"depthScoreParts":{"impact":31.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}