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        "cveId": "CVE-2025-53690",
        "assignerOrgId": "9947ef80-c5d5-474a-bbab-97341a59000e",
        "state": "PUBLISHED",
        "assignerShortName": "Wiz",
        "dateReserved": "2025-07-08T14:21:02.028Z",
        "datePublished": "2025-09-03T20:04:48.223Z",
        "dateUpdated": "2026-02-26T17:49:44.363Z"
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                    "defaultStatus": "unaffected",
                    "product": "Experience Manager (XM)",
                    "vendor": "Sitecore",
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                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
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                            "value": "<span style=\"background-color: rgb(254, 254, 254);\">Customers who followed the deployment instructions provided with XP 9.0 or earlier and Active Directory 1.4 or earlier and used the sample machine key (for example, machine key: BDDFE367CD..., validation key: 0DAC68D020...) are vulnerable.</span><br>"
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                    ],
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                            "type": "text/html",
                            "value": "Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Code Injection.<p>This issue affects Experience Manager (XM): through 9.0; Experience Platform (XP): through 9.0.</p>"
                        }
                    ],
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                {
                    "capecId": "CAPEC-242",
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                            "lang": "en",
                            "value": "CAPEC-242 Code Injection"
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                        "attackVector": "NETWORK",
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                        "baseScore": 9,
                        "baseSeverity": "CRITICAL",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "NONE",
                        "scope": "CHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
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                {
                    "descriptions": [
                        {
                            "cweId": "CWE-502",
                            "description": "CWE-502 Deserialization of Untrusted Data",
                            "lang": "en",
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            "providerMetadata": {
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            },
            "references": [
                {
                    "url": "https://cloud.google.com/blog/topics/threat-intelligence/viewstate-deserialization-zero-day-vulnerability"
                },
                {
                    "url": "https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003865"
                }
            ],
            "source": {
                "discovery": "USER"
            },
            "title": "Sitecore Products ViewState Deserialization Vulnerability",
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        "adp": [
            {
                "metrics": [
                    {
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                                "options": [
                                    {
                                        "Exploitation": "active"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
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                                        "Technical Impact": "total"
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                                "version": "2.0.3",
                                "timestamp": "2025-09-05T03:55:32.553435Z"
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                            "type": "kev",
                            "content": {
                                "dateAdded": "2025-09-04",
                                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-53690"
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                "references": [
                    {
                        "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-53690",
                        "tags": [
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                "timeline": [
                    {
                        "time": "2025-09-04T00:00:00.000Z",
                        "lang": "en",
                        "value": "CVE-2025-53690 added to CISA KEV"
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                "title": "CISA ADP Vulnrichment",
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