{"id":"CVE-2020-15661","title":"A rogue webpage could override the injected WKUserScript used by the logins autofill, this exploit could result in leaking a password for the current domain","summary":"A rogue webpage could override the injected WKUserScript used by the logins autofill, this exploit could result in leaking a password for the current domain. This vulnerability affects Firefox for iOS < 28.","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","cwe":["CWE-522"],"vendor":"mozilla","product":"firefox_mobile","affected":["firefox_mobile < 28.0"],"patched":["firefox_mobile 28.0"],"published":"2020-08-10","updated":"2026-08-19","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2020-15661","references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1654131","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2020-34/","label":"security@mozilla.org"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1654131","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.mozilla.org/security/advisories/mfsa2020-34/","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00845,"epssPercentile":0.56527,"ingestedAt":"2026-08-19T15:41:14.405Z","slug":"CVE-2020-15661","body":"## Overview\n\nA rogue webpage could override the injected WKUserScript used by the logins autofill, this exploit could result in leaking a password for the current domain. This vulnerability affects Firefox for iOS < 28.\n\n## Affected\n\n- `firefox_mobile < 28.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `firefox_mobile 28.0`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}