{"id":"CVE-2025-10529","state":"PUBLISHED","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.","publishedAt":"2025-09-16T12:26:35.822Z","updatedAt":"2026-04-13T14:28:12.191Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","source":"CISA-ADP"},"assigner":"mozilla","products":["Mozilla Firefox","Mozilla Thunderbird"],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"140.3","status":"unaffected","lessThanOrEqual":"140.*","versionType":"rpm"},{"version":"143","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"140.3","status":"unaffected","lessThanOrEqual":"140.*","versionType":"rpm"},{"version":"143","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"references":["https://bugzilla.mozilla.org/show_bug.cgi?id=1970490","https://www.mozilla.org/security/advisories/mfsa2025-73/","https://www.mozilla.org/security/advisories/mfsa2025-75/","https://www.mozilla.org/security/advisories/mfsa2025-77/","https://www.mozilla.org/security/advisories/mfsa2025-78/","https://lists.debian.org/debian-lts-announce/2025/09/msg00026.html","https://lists.debian.org/debian-lts-announce/2025/09/msg00020.html"],"weaknesses":["CWE-942"],"ingestedAt":"2026-10-29T20:08:20.985Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/10xxx/CVE-2025-10529.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-10529","state":"PUBLISHED","datePublished":"2025-09-16T12:26:35.822Z","dateUpdated":"2026-04-13T14:28:12.191Z","assignerShortName":"mozilla","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateReserved":"2025-09-16T06:48:38.059Z"},"containers":{"cna":{"title":"Same-origin policy bypass in the Layout component","descriptions":[{"lang":"en","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."}],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"140.3","status":"unaffected","lessThanOrEqual":"140.*","versionType":"rpm"},{"version":"143","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"140.3","status":"unaffected","lessThanOrEqual":"140.*","versionType":"rpm"},{"version":"143","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"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/"}],"providerMetadata":{"shortName":"mozilla","orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateUpdated":"2026-04-13T14:28:12.191Z"},"credits":[{"lang":"en","value":"Daniel Holbert"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-09-17T17:44:09.772488Z","id":"CVE-2025-10529","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-942","type":"CWE","lang":"en","description":"CWE-942 Permissive Cross-domain Policy with Untrusted Domains"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-09-17T17:44:13.559Z"}},{"title":"CVE Program Container","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"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T18:08:31.807Z"}}]}}}