{
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "misp",
          "vendor": "misp",
          "versions": [
            {
              "lessThan": "2.5.12",
              "status": "affected"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Lassi Kapanen of Second Nature Security"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Andras Iklody"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "Teemu Hakkarainen of Second Nature Security"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "MISP contained a reflected cross-site scripting (XSS) vulnerability in the \u003cem\u003eAttribute Replacement Tool\u003c/em\u003e. Prior to commit \u003ccode\u003ef20e93e289998290946d56273528d2a4dc1c57fc\u003c/code\u003e, the \u003ccode\u003eevent_id\u003c/code\u003e parameter was inserted into both the form action URL and an inline JavaScript handler without proper HTML-escaping. A malicious actor could craft a link with a specially crafted \u003ccode\u003eevent_id\u003c/code\u003e value containing JavaScript, which would then be reflected back to the user and executed when the page was rendered."
            }
          ],
          "value": "MISP contained a reflected cross-site scripting (XSS) vulnerability in the Attribute Replacement Tool. Prior to commit f20e93e289998290946d56273528d2a4dc1c57fc, the event_id parameter was inserted into both the form action URL and an inline JavaScript handler without proper HTML-escaping. A malicious actor could craft a link with a specially crafted event_id value containing JavaScript, which would then be reflected back to the user and executed when the page was rendered."
        }
      ],
      "impacts": [
        {
          "descriptions": [
            {
              "lang": "en"
            }
          ]
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      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 9.4,
            "baseSeverity": "CRITICAL",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "HIGH",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "HIGH",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "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"
            }
          ]
        }
      ],
      "providerMetadata": {
        "orgId": "00000000-0000-4000-9000-000000000000"
      },
      "references": [
        {
          "url": "https://github.com/misp/misp/commit/f20e93e289998290946d56273528d2a4dc1c57fc"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Reflected cross-site scripting (XSS) vulnerability in the MISP Attribute Replacement Tool",
      "x_gcve": [
        {
          "recordType": "advisory",
          "vulnId": "gcve-1-2025-0025"
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
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  },
  "cveMetadata": {
    "assignerOrgId": "00000000-0000-4000-9000-000000000000",
    "datePublished": "2025-11-26T16:27:00.000Z",
    "dateUpdated": "2025-12-02T08:50:18.897756Z",
    "requesterUserId": "00000000-0000-4000-9000-000000000000",
    "serial": 1,
    "state": "PUBLISHED",
    "vulnId": "GCVE-1-2025-0025",
    "vulnerabilitylookup_history": [
      [
        "alexandre.dulaunoy@circl.lu",
        "2025-11-26T16:27:43.742150Z"
      ],
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        "alexandre.dulaunoy@circl.lu",
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