{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "misp",
          "vendor": "misp",
          "versions": [
            {
              "lessThan": "2.5.27",
              "status": "affected"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Jeroen Pinoy"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Andras Iklody"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eA cross-site scripting (XSS) vulnerability was identified in two MISP views:\u003c/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ccode\u003eajaxTemplateTag.ctp\u003c/code\u003e\u003c/p\u003e\n\u003c/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ccode\u003eUsers/admin_index.ctp\u003c/code\u003e\u003c/p\u003e\n\u003c/li\u003e\n\u003c/ul\u003e\n1. \u003ccode\u003eajaxTemplateTag.ctp\u003c/code\u003e\n\u003cp\u003eThe JavaScript function call used for removing a template tag included both the tag ID and tag name.\u003c/p\u003e\u003cp\u003eEven though the tag name was escaped with \u003ccode\u003eh()\u003c/code\u003e, its placement inside a JavaScript string literal within an HTML attribute represents a fragile construction. Under specific conditions, crafted tag names containing special characters may break out of the JavaScript context, enabling XSS. The patch removes the unsafe second parameter:\u003cbr\u003e\u003c/p\u003e\u003cdiv\u003eBy eliminating unnecessary exposure of user-controlled data to JavaScript, the potential XSS vector is removed.\u003c/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c/div\u003e\u003cdiv\u003e2. \u003ccode\u003eUsers/admin_index.ctp\u003c/code\u003e\u003c/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c/div\u003e\u003cdiv\u003eThe admin user list view passed unescaped filter parameters into the \u003ccode\u003egetPopup\u003c/code\u003e handler.\u003cbr\u003e\u003cbr\u003eIf $urlparams contained attacker-influenced content, a crafted URL could inject JavaScript that would execute when an administrator clicked \u201cModify filters.\u201d\u003c/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c/div\u003e\u003cdiv\u003e\u003cp\u003eThe vulnerabilities are classified as \u003cstrong\u003elow impact\u003c/strong\u003e and \u003cstrong\u003ehigh difficulty\u003c/strong\u003e, as noted in the patch. Exploitation requires:\u003c/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eThe attacker to create or manipulate tag names or URL parameters in specific ways.\u003c/p\u003e\n\u003c/li\u003e\n\u003cli\u003e\n\u003cp\u003eAn administrator to interact with the affected UI elements (e.g., clicking \u201cRemove tag\u201d or \u201cModify filters\u201d).\u003c/p\u003e\u003c/li\u003e\u003c/ul\u003e\u003c/div\u003e"
            }
          ],
          "value": "A cross-site scripting (XSS) vulnerability was identified in two MISP views:\n\n\n\n  *  \najaxTemplateTag.ctp\n\n\n\n\n  *  \nUsers/admin_index.ctp\n\n\n\n\n\n\n\n1. ajaxTemplateTag.ctp\nThe JavaScript function call used for removing a template tag included both the tag ID and tag name.\n\nEven though the tag name was escaped with h(), its placement inside a JavaScript string literal within an HTML attribute represents a fragile construction. Under specific conditions, crafted tag names containing special characters may break out of the JavaScript context, enabling XSS. The patch removes the unsafe second parameter:\n\n\nBy eliminating unnecessary exposure of user-controlled data to JavaScript, the potential XSS vector is removed.\n\n\n\n\n2. Users/admin_index.ctp\n\n\n\n\nThe admin user list view passed unescaped filter parameters into the getPopup handler.\n\nIf $urlparams contained attacker-influenced content, a crafted URL could inject JavaScript that would execute when an administrator clicked \u201cModify filters.\u201d\n\n\n\n\nThe vulnerabilities are classified as low impact and high difficulty, as noted in the patch. Exploitation requires:\n\n\n\n  *  \nThe attacker to create or manipulate tag names or URL parameters in specific ways.\n\n\n\n\n  *  \nAn administrator to interact with the affected UI elements (e.g., clicking \u201cRemove tag\u201d or \u201cModify filters\u201d)."
        }
      ],
      "impacts": [
        {
          "descriptions": [
            {
              "lang": "en"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "HIGH",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 5,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "HIGH",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "HIGH",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "HIGH",
            "userInteraction": "ACTIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:A/VC:L/VI:N/VA:N/SC:H/SI:H/SA:H",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE",
            "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": [
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/MISP/MISP/commit/27f65c52ab66fdc67e86883bd7f28b02a8f24aa0"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Reflected XSS in MISP Template Tag Removal and MISP Admin User Filter Handling",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "00000000-0000-4000-9000-000000000000",
    "datePublished": "2025-12-10T14:10:00.000Z",
    "dateUpdated": "2025-12-10T14:16:55.918270Z",
    "requesterUserId": "00000000-0000-4000-9000-000000000000",
    "serial": 1,
    "state": "PUBLISHED",
    "vulnId": "gcve-1-2025-0038",
    "vulnerabilitylookup_history": [
      [
        "alexandre.dulaunoy@circl.lu",
        "2025-12-10T14:10:48.440939Z"
      ],
      [
        "alexandre.dulaunoy@circl.lu",
        "2025-12-10T14:16:55.918270Z"
      ]
    ]
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}