{
  "id": "CVE-2025-53690",
  "url": "https://spydr.io/cve/CVE-2025-53690",
  "published": "2025-09-03T20:15:33.473Z",
  "modified": "2026-06-17T09:38:43.133Z",
  "score": 9,
  "severity": "critical",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
  "score_source": "CNA",
  "epss": 0.51094,
  "epss_percentile": 0.98903,
  "exploited": true,
  "kev": {
    "added": "2025-09-04",
    "due": "2025-09-25",
    "action": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
    "ransomware": "Unknown",
    "name": "Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability",
    "notes": "https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003865 ; https://nvd.nist.gov/vuln/detail/CVE-2025-53690"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "Sitecore"
  ],
  "products": [
    "Sitecore Experience Manager (XM)",
    "Sitecore Experience Platform (XP)"
  ],
  "cwes": [
    "CWE-502"
  ],
  "description": "Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Code Injection.This issue affects Experience Manager (XM): through 9.0; Experience Platform (XP): through 9.0.",
  "status": "Analyzed",
  "score_type": "Secondary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 9,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "https://cloud.google.com/blog/topics/threat-intelligence/viewstate-deserialization-zero-day-vulnerability",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003865",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-53690",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2025-53690",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}