{"id":"CVE-2023-49061","title":"An attacker could have performed HTML template injection via Reader Mode and exfiltrated user information","summary":"An attacker could have performed HTML template injection via Reader Mode and exfiltrated user information. This vulnerability affects Firefox for iOS < 120.","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-601"],"vendor":"mozilla","product":"firefox_mobile","affected":["firefox_mobile < 120.0"],"patched":["firefox_mobile 120.0"],"published":"2023-11-21","updated":"2026-08-19","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-49061","references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1861420","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2023-51/","label":"security@mozilla.org"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1861420","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.mozilla.org/security/advisories/mfsa2023-51/","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00312,"epssPercentile":0.24298,"ingestedAt":"2026-08-19T15:41:16.090Z","slug":"CVE-2023-49061","body":"## Overview\n\nAn attacker could have performed HTML template injection via Reader Mode and exfiltrated user information. This vulnerability affects Firefox for iOS < 120.\n\n## Affected\n\n- `firefox_mobile < 120.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `firefox_mobile 120.0`","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}