{"id":"CVE-2025-11720","state":"PUBLISHED","title":"Spoofing risk in Android custom tabs","description":"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.","publishedAt":"2025-10-14T12:27:38.204Z","updatedAt":"2026-04-13T14:31:25.625Z","severity":{"score":8.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","source":"CISA-ADP"},"assigner":"mozilla","products":["Mozilla Firefox"],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"144","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"references":["https://bugzilla.mozilla.org/show_bug.cgi?id=1979534","https://bugzilla.mozilla.org/show_bug.cgi?id=1984370","https://www.mozilla.org/security/advisories/mfsa2025-81/"],"weaknesses":["CWE-451"],"ingestedAt":"2026-10-29T20:08:31.050Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/11xxx/CVE-2025-11720.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-11720","state":"PUBLISHED","datePublished":"2025-10-14T12:27:38.204Z","dateUpdated":"2026-04-13T14:31:25.625Z","assignerShortName":"mozilla","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateReserved":"2025-10-13T19:50:22.446Z"},"containers":{"cna":{"title":"Spoofing risk in Android custom tabs","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."}],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"144","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"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/"}],"providerMetadata":{"shortName":"mozilla","orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateUpdated":"2026-04-13T14:31:25.625Z"},"credits":[{"lang":"en","value":"Michel Le Bihan"}]},"adp":[{"title":"CISA ADP Vulnrichment","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"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-451","type":"CWE","lang":"en","description":"CWE-451 User Interface (UI) Misrepresentation of Critical Information"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-15T13:19:42.977Z"}}]}}}