FKIE_CVE-2026-21855

Vulnerability from fkie_nvd - Published: 2026-01-07 19:15 - Updated: 2026-02-03 16:20
Severity ?
9.3 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Summary
The Tarkov Data Manager is a tool to manage the Tarkov item data. Prior to 02 January 2025, a reflected Cross Site Scripting (XSS) vulnerability in the toast notification system allows any attacker to execute arbitrary JavaScript in the context of a victim's browser session by crafting a malicious URL. A series of fix commits on 02 January 2025 fixed this and other vulnerabilities.
References
security-advisories@github.comhttps://github.com/the-hideout/tarkov-data-manager/security/advisories/GHSA-9c23-rrg9-jc89Exploit, Vendor Advisory
Impacted products
Vendor Product Version
tarkov tarkov_data_manager *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:tarkov:tarkov_data_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1BED0E5B-BD43-4202-930F-9931EC05570C",
              "versionEndExcluding": "2025-01-02",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Tarkov Data Manager is a tool to manage the Tarkov item data. Prior to 02 January 2025, a reflected Cross Site Scripting (XSS) vulnerability in the toast notification system allows any attacker to execute arbitrary JavaScript in the context of a victim\u0027s browser session by crafting a malicious URL. A series of fix commits on 02 January 2025 fixed this and other vulnerabilities."
    },
    {
      "lang": "es",
      "value": "El Tarkov Data Manager es una herramienta para gestionar los datos de \u00edtems de Tarkov. Antes del 02 de enero de 2025, una vulnerabilidad de Cross Site Scripting (XSS) reflejado en el sistema de notificaciones \u0027toast\u0027 permite a cualquier atacante ejecutar JavaScript arbitrario en el contexto de la sesi\u00f3n del navegador de una v\u00edctima al crear una URL maliciosa. Una serie de \u0027commits\u0027 de correcci\u00f3n el 02 de enero de 2025 corrigi\u00f3 esta y otras vulnerabilidades."
    }
  ],
  "id": "CVE-2026-21855",
  "lastModified": "2026-02-03T16:20:50.047",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 9.3,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.8,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-01-07T19:15:57.970",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://github.com/the-hideout/tarkov-data-manager/security/advisories/GHSA-9c23-rrg9-jc89"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Primary"
    }
  ]
}


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