{"api_version":"1","generated_at":"2026-07-23T14:02:48+00:00","cve":"CVE-2025-10529","urls":{"html":"https://cve.report/CVE-2025-10529","api":"https://cve.report/api/cve/CVE-2025-10529.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-10529","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-10529"},"summary":{"title":"Same-origin policy bypass in the Layout component","description":"Same-origin policy bypass in the Layout component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.","state":"PUBLISHED","assigner":"mozilla","published_at":"2025-09-16 13:15:45","updated_at":"2026-04-13 15:16:36"},"problem_types":["CWE-942","CWE-942 CWE-942 Permissive Cross-domain Policy with Untrusted Domains"],"metrics":[{"version":"3.1","source":"ADP","type":"DECLARED","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"}},{"version":"3.1","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"}}],"references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/09/msg00026.html","name":"https://lists.debian.org/debian-lts-announce/2025/09/msg00026.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1970490","name":"https://bugzilla.mozilla.org/show_bug.cgi?id=1970490","refsource":"security@mozilla.org","tags":["Permissions Required"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-78/","name":"https://www.mozilla.org/security/advisories/mfsa2025-78/","refsource":"security@mozilla.org","tags":["Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://lists.debian.org/debian-lts-announce/2025/09/msg00020.html","name":"https://lists.debian.org/debian-lts-announce/2025/09/msg00020.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-75/","name":"https://www.mozilla.org/security/advisories/mfsa2025-75/","refsource":"security@mozilla.org","tags":["Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-77/","name":"https://www.mozilla.org/security/advisories/mfsa2025-77/","refsource":"security@mozilla.org","tags":["Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-73/","name":"https://www.mozilla.org/security/advisories/mfsa2025-73/","refsource":"security@mozilla.org","tags":["Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-10529","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-10529","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Mozilla","product":"Firefox","version":"unaffected 140.3 140.* rpm","platforms":[]},{"source":"CNA","vendor":"Mozilla","product":"Firefox","version":"unaffected 143 * rpm","platforms":[]},{"source":"CNA","vendor":"Mozilla","product":"Thunderbird","version":"unaffected 140.3 140.* rpm","platforms":[]},{"source":"CNA","vendor":"Mozilla","product":"Thunderbird","version":"unaffected 143 * rpm","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Daniel Holbert","lang":"en"}],"nvd_cpes":[{"cve_year":"2025","cve_id":"10529","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"-","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2025","cve_id":"10529","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"esr","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2025","cve_id":"10529","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"thunderbird","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2025","cve_id":"10529","cve":"CVE-2025-10529","epss":"0.000630000","percentile":"0.194510000","score_date":"2026-04-15","updated_at":"2026-04-16 00:13:56"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"}},{"other":{"content":{"id":"CVE-2025-10529","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2025-09-17T17:44:09.772488Z","version":"2.0.3"},"type":"ssvc"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-942","description":"CWE-942 Permissive Cross-domain Policy with Untrusted Domains","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2025-09-17T17:44:13.559Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"},{"providerMetadata":{"dateUpdated":"2025-11-03T18:08:31.807Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/09/msg00026.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/09/msg00020.html"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"Firefox","vendor":"Mozilla","versions":[{"lessThanOrEqual":"140.*","status":"unaffected","version":"140.3","versionType":"rpm"},{"lessThanOrEqual":"*","status":"unaffected","version":"143","versionType":"rpm"}]},{"product":"Thunderbird","vendor":"Mozilla","versions":[{"lessThanOrEqual":"140.*","status":"unaffected","version":"140.3","versionType":"rpm"},{"lessThanOrEqual":"*","status":"unaffected","version":"143","versionType":"rpm"}]}],"credits":[{"lang":"en","value":"Daniel Holbert"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Same-origin policy bypass in the Layout component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3."}],"value":"Same-origin policy bypass in the Layout component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3."}],"providerMetadata":{"dateUpdated":"2026-04-13T14:28:12.191Z","orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","shortName":"mozilla"},"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1970490"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-73/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-75/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-77/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-78/"}],"title":"Same-origin policy bypass in the Layout component"}},"cveMetadata":{"assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","assignerShortName":"mozilla","cveId":"CVE-2025-10529","datePublished":"2025-09-16T12:26:35.822Z","dateReserved":"2025-09-16T06:48:38.059Z","dateUpdated":"2026-04-13T14:28:12.191Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-09-16 13:15:45","lastModifiedDate":"2026-04-13 15:16:36","problem_types":["CWE-942","CWE-942 CWE-942 Permissive Cross-domain Policy with Untrusted Domains"],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":2.5}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*","versionEndExcluding":"140.3.0","matchCriteriaId":"277CA9C0-BD77-46D8-8191-F54598F7F47B"},{"vulnerable":true,"criteria":"cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*","versionEndExcluding":"143.0","matchCriteriaId":"6071B71C-B967-45B9-8CA4-1CB0A9E24D1A"},{"vulnerable":true,"criteria":"cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*","versionEndExcluding":"143.0","matchCriteriaId":"7B03DED4-F40B-4D9C-A29D-AD540CDF003D"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2025","CveId":"10529","Ordinal":"1","Title":"Same-origin policy bypass in the Layout component","CVE":"CVE-2025-10529","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"10529","Ordinal":"1","NoteData":"Same-origin policy bypass in the Layout component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.","Type":"Description","Title":"Same-origin policy bypass in the Layout component"}]}}}