{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/62889?format=json","vulnerability_id":"VCID-2yeg-q5hq-wud1","summary":"A mechanism where when a new tab is loaded through JavaScript events, if fullscreen mode is then entered, the addressbar will not be rendered. This would allow a malicious site to displayed a spoofed addressbar, showing the location of an arbitrary website instead of the one loaded. *Note: this issue only affects Firefox for Android. Desktop Firefox is unaffected.*","aliases":[{"alias":"CVE-2017-7770"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/582227?format=json","purl":"pkg:deb/debian/firefox@0?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@0%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/582059?format=json","purl":"pkg:deb/debian/firefox@149.0-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@149.0-1%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/1059611?format=json","purl":"pkg:deb/debian/firefox@149.0.2-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@149.0.2-1%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/1076056?format=json","purl":"pkg:deb/debian/firefox@150.0-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@150.0-1%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/1088670?format=json","purl":"pkg:deb/debian/firefox@150.0.1-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@150.0.1-1%3Fdistro=sid"}],"affected_packages":[],"references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2017-7770","reference_id":"","reference_type":"","scores":[{"value":"0.00369","scoring_system":"epss","scoring_elements":"0.58723","published_at":"2026-05-05T12:55:00Z"},{"value":"0.00369","scoring_system":"epss","scoring_elements":"0.58661","published_at":"2026-04-01T12:55:00Z"},{"value":"0.00369","scoring_system":"epss","scoring_elements":"0.58757","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00369","scoring_system":"epss","scoring_elements":"0.58771","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00369","scoring_system":"epss","scoring_elements":"0.58756","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00369","scoring_system":"epss","scoring_elements":"0.58744","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00369","scoring_system":"epss","scoring_elements":"0.58765","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00369","scoring_system":"epss","scoring_elements":"0.58733","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00369","scoring_system":"epss","scoring_elements":"0.58786","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00369","scoring_system":"epss","scoring_elements":"0.58793","published_at":"2026-04-12T12:55:00Z"},{"value":"0.00369","scoring_system":"epss","scoring_elements":"0.58811","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00369","scoring_system":"epss","scoring_elements":"0.58773","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00369","scoring_system":"epss","scoring_elements":"0.58806","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00369","scoring_system":"epss","scoring_elements":"0.58789","published_at":"2026-04-21T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2017-7770"},{"reference_url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1317242","reference_id":"","reference_type":"","scores":[],"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1317242"},{"reference_url":"https://www.mozilla.org/security/advisories/mfsa2017-15/","reference_id":"","reference_type":"","scores":[],"url":"https://www.mozilla.org/security/advisories/mfsa2017-15/"},{"reference_url":"http://www.securityfocus.com/bid/99049","reference_id":"","reference_type":"","scores":[],"url":"http://www.securityfocus.com/bid/99049"},{"reference_url":"http://www.securitytracker.com/id/1038689","reference_id":"","reference_type":"","scores":[],"url":"http://www.securitytracker.com/id/1038689"},{"reference_url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*","reference_id":"cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*","reference_type":"","scores":[],"url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*"},{"reference_url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:google:android:-:*:*:*:*:*:*:*","reference_id":"cpe:2.3:o:google:android:-:*:*:*:*:*:*:*","reference_type":"","scores":[],"url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:google:android:-:*:*:*:*:*:*:*"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2017-7770","reference_id":"CVE-2017-7770","reference_type":"","scores":[{"value":"4.3","scoring_system":"cvssv2","scoring_elements":"AV:N/AC:M/Au:N/C:N/I:P/A:N"},{"value":"5.9","scoring_system":"cvssv3","scoring_elements":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-7770"},{"reference_url":"https://www.mozilla.org/en-US/security/advisories/mfsa2017-15","reference_id":"mfsa2017-15","reference_type":"","scores":[{"value":"critical","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2017-15"}],"weaknesses":[{"cwe_id":20,"name":"Improper Input Validation","description":"The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly."}],"exploits":[],"severity_range_score":"4.3 - 10.0","exploitability":null,"weighted_severity":null,"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-2yeg-q5hq-wud1"}