CVE-2026-9308

{"id": "CVE-2026-9308", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-9308", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-01T13:52:52.642902Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security@mozilla.org", "affectedData": [{"vendor": "Mozilla", "product": "Firefox for iOS", "versions": [{"status": "unaffected", "version": "151.2", "versionType": "rpm", "lessThanOrEqual": "*"}]}]}], "published": "2026-06-01T13:16:33.523", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2039422", "tags": ["Permissions Required"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2026-53/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Firefox for iOS Reader View replaced page content in its HTML template before replacing other internal placeholders. A malicious page could include a placeholder string that was later substituted with JSON-LD data, potentially resulting in arbitrary JavaScript execution. This vulnerability was fixed in Firefox for iOS 151.2."}, {"lang": "es", "value": "Firefox para iOS Vista de lectura reemplaz\u00f3 el contenido de la p\u00e1gina en su plantilla HTML antes de reemplazar otros marcadores de posici\u00f3n internos. Una p\u00e1gina maliciosa podr\u00eda incluir una cadena de marcador de posici\u00f3n que fue posteriormente sustituida con datos JSON-LD, lo que podr\u00eda resultar en ejecuci\u00f3n arbitraria de JavaScript. Esta vulnerabilidad fue corregida en Firefox para iOS 151.2."}], "lastModified": "2026-07-22T07:10:00.107", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:iphone_os:*:*", "vulnerable": true, "matchCriteriaId": "B45EA8E8-B058-45B8-B0AB-77F61594BC17", "versionEndExcluding": "151.2"}], "operator": "OR"}]}], "sourceIdentifier": "security@mozilla.org"}