{
  "containers": {
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      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-15265",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-15T20:28:05.329081Z",
                "version": "2.0.3"
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          "dateUpdated": "2026-01-15T20:28:16.479Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://registry.npmjs.org",
          "defaultStatus": "unaffected",
          "packageName": "svelte",
          "platforms": [
            "Windows",
            "Linux",
            "MacOS"
          ],
          "product": "Svelte",
          "vendor": "Svelte",
          "versions": [
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              "lessThan": "5.46.3",
              "status": "affected",
              "version": "5.46.0",
              "versionType": "custom"
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        {
          "nodes": [
            {
              "cpeMatch": [
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                  "criteria": "cpe:2.3:a:svelte:svelte:*:*:windows:*:*:*:*:*",
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                  "versionStartIncluding": "5.46.0",
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      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Camilo Vera"
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      ],
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          "lang": "en",
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              "base64": false,
              "type": "text/html",
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          ],
          "value": "An SSR XSS exists in async hydration when attacker\u2011controlled keys are passed to hydratable. The key is embedded inside a \u003cscript\u003e block without HTML\u2011safe escaping, allowing \u003c/script\u003e to terminate the script and inject arbitrary JavaScript. This enables remote script execution in users\u0027 browsers, with potential for session theft and account compromise.\nThis issue affects Svelte: from 5.46.0 before 5.46.3."
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      ],
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        {
          "capecId": "CAPEC-63",
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            {
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            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "LOW",
            "subIntegrityImpact": "LOW",
            "userInteraction": "PASSIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
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          "format": "CVSS",
          "scenarios": [
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              "lang": "en",
              "value": "GENERAL"
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          ]
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or \u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-15T19:59:41.683Z",
        "orgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869",
        "shortName": "Fluid Attacks"
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          "tags": [
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          "url": "https://fluidattacks.com/advisories/lydian"
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        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://fluidattacks.com/advisories/lydian"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Svelte 5.46.0  - Hydratable Key Script-Breakout XSS (SSR)",
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    "assignerShortName": "Fluid Attacks",
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    "datePublished": "2026-01-15T19:59:41.683Z",
    "dateReserved": "2025-12-29T15:31:42.980Z",
    "dateUpdated": "2026-01-15T20:28:16.479Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.2"
}