{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-11720","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","state":"PUBLISHED","assignerShortName":"mozilla","dateReserved":"2025-10-13T19:50:22.446Z","datePublished":"2025-10-14T12:27:38.204Z","dateUpdated":"2026-04-13T14:31:25.625Z"},"containers":{"cna":{"affected":[{"product":"Firefox","vendor":"Mozilla","versions":[{"status":"unaffected","version":"144","lessThanOrEqual":"*","versionType":"rpm"}]}],"descriptions":[{"lang":"en","value":"The Firefox and Firefox Focus UI for the Android custom tab feature only showed the \"site\" that was loaded, not the full hostname. User supplied content hosted on a subdomain of a site could have been used to fool a user into thinking it was content from a different subdomain of that site. This vulnerability was fixed in Firefox 144.","supportingMedia":[{"type":"text/html","base64":false,"value":"The Firefox and Firefox Focus UI for the Android custom tab feature only showed the \"site\" that was loaded, not the full hostname. User supplied content hosted on a subdomain of a site could have been used to fool a user into thinking it was content from a different subdomain of that site. This vulnerability was fixed in Firefox 144."}]}],"title":"Spoofing risk in Android custom tabs","references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1979534"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1984370"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-81/"}],"credits":[{"lang":"en","value":"Michel Le Bihan"}],"providerMetadata":{"orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","shortName":"mozilla","dateUpdated":"2026-04-13T14:31:25.625Z"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-451","lang":"en","description":"CWE-451 User Interface (UI) Misrepresentation of Critical Information"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.1,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","integrityImpact":"HIGH","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-10-15T13:18:34.454167Z","id":"CVE-2025-11720","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-10-15T13:19:42.977Z"}}]}}