{"affected":[{"affectedData":[{"product":"Firefox","vendor":"Mozilla","versions":[{"lessThan":"53","status":"affected","version":"unspecified","versionType":"custom"}]}],"source":"security@mozilla.org"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*","matchCriteriaId":"83FECC93-8DC3-41D0-8E53-45E1F4D53321","versionEndExcluding":"53.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"A mechanism to spoof the Firefox for Android addressbar using a \"javascript:\" URI. On Firefox for Android, the base domain is parsed incorrectly, making the resulting location less visibly a spoofed site and showing an incorrect domain in appended notifications. This vulnerability affects Firefox < 53."},{"lang":"es","value":"Mecanismo para suplantar la barra de direcciones en Firefox para Android mediante un URI \"javascript:\". En Firefox para Android, el dominio base se analiza incorrectamente, lo que hace que sea menos visible que la dirección resultante es un sitio suplantado y mostrando un dominio incorrecto en las notificaciones anexadas. La vulnerabilidad afecta a Firefox en versiones anteriores a la 53."}],"id":"CVE-2017-5450","lastModified":"2026-06-17T01:20:31.080","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"NONE","baseScore":5.0,"confidentialityImpact":"NONE","integrityImpact":"PARTIAL","vectorString":"AV:N/AC:L/Au:N/C:N/I:P/A:N","version":"2.0"},"exploitabilityScore":10.0,"impactScore":2.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV30":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","version":"3.0"},"exploitabilityScore":3.9,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2018-06-11T21:29:06.560","references":[{"source":"security@mozilla.org","tags":["Third Party Advisory","VDB Entry"],"url":"http://www.securityfocus.com/bid/97940"},{"source":"security@mozilla.org","tags":["Third Party Advisory","VDB Entry"],"url":"http://www.securitytracker.com/id/1038320"},{"source":"security@mozilla.org","tags":["Exploit","Issue Tracking"],"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1325955"},{"source":"security@mozilla.org","tags":["Vendor Advisory"],"url":"https://www.mozilla.org/security/advisories/mfsa2017-10/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"],"url":"http://www.securityfocus.com/bid/97940"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"],"url":"http://www.securitytracker.com/id/1038320"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Issue Tracking"],"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1325955"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://www.mozilla.org/security/advisories/mfsa2017-10/"}],"sourceIdentifier":"security@mozilla.org","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-20"}],"source":"nvd@nist.gov","type":"Primary"}]}