{"id":"CVE-2026-103418","title":"Firefox for iOS directly interpolated the page’s HTML language attribute into translation JavaScript, allowing attacker-controlled markup to execute code in Firefox’s privileged content world and bypass the page’s Content Security Policy…","summary":"Firefox for iOS directly interpolated the page’s HTML language attribute into translation JavaScript, allowing attacker-controlled markup to execute code in Firefox’s privileged content world and bypass the page’s Content Security Policy…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-79"],"published":"2026-10-13","updated":"2026-10-13","sourceUpdated":"2026-10-13T13:17:13.507","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-103418","references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2062109","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-105/","label":"security@mozilla.org"}],"tags":["nvd"],"ingestedAt":"2026-10-13T08:19:03.891Z","slug":"CVE-2026-103418","body":"## Overview\n\nFirefox for iOS directly interpolated the page’s HTML language attribute into translation JavaScript, allowing attacker-controlled markup to execute code in Firefox’s privileged content world and bypass the page’s Content Security Policy. This vulnerability was fixed in Firefox for iOS 157.1.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":219685,"id":"CVE-2026-103418","ts":1791898067834,"field":"cvss","old":null,"new":"8.8"},{"seq":219684,"id":"CVE-2026-103418","ts":1791898067834,"field":"severity","old":"none","new":"high"}]}