fkie_cve-2021-26087
Vulnerability from fkie_nvd
Published
2025-03-17 14:15
Modified
2025-07-24 20:16
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/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
An improper neutralization of input during web page generation in FortiWLC version 8.6.0, version 8.5.3 and below, version 8.4.8 and below, version 8.3.3 web interface may allow both authenticated remote attackers and non-authenticated attackers in the same network as the appliance to perform a stored cross site scripting attack (XSS) via injecting malicious payloads in different locations.
References
psirt@fortinet.comhttps://fortiguard.fortinet.com/psirt/FG-IR-20-137Vendor Advisory
Impacted products
Vendor Product Version
fortinet fortiwlc *
fortinet fortiwlc *
fortinet fortiwlc 8.3.3
fortinet fortiwlc 8.6.0


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:fortinet:fortiwlc:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "CA4E2F85-BC33-477A-9E04-89D6A1523DF7",
              "versionEndIncluding": "8.4.2",
              "versionStartIncluding": "8.4.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fortinet:fortiwlc:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6ACC86D0-8F8B-4F96-B871-B6C5EA408F7D",
              "versionEndExcluding": "8.5.4",
              "versionStartIncluding": "8.4.4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fortinet:fortiwlc:8.3.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "A0BAFB6C-FAF8-4157-B84A-30B8735A6492",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fortinet:fortiwlc:8.6.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "18D7B164-2D5E-427E-81F4-6BBDA51131DC",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An improper neutralization of input during web page generation in FortiWLC version 8.6.0, version 8.5.3 and below, version 8.4.8 and below, version 8.3.3 web interface may allow both authenticated remote attackers and non-authenticated attackers in the same network as the appliance to perform a stored cross site scripting attack (XSS) via injecting malicious payloads in different locations."
    },
    {
      "lang": "es",
      "value": "Una neutralizaci\u00f3n incorrecta de la entrada durante la generaci\u00f3n de p\u00e1ginas web en la interfaz web de FortiWLC versi\u00f3n 8.6.0, versi\u00f3n 8.5.3 y anteriores, versi\u00f3n 8.4.8 y anteriores, versi\u00f3n 8.3.3 puede permitir que tanto atacantes remotos autenticados como atacantes no autenticados en la misma red que el dispositivo realicen un ataque de cross site scripting (XSS) almacenado mediante la inyecci\u00f3n de payloads maliciosos en diferentes ubicaciones."
    }
  ],
  "id": "CVE-2021-26087",
  "lastModified": "2025-07-24T20:16:57.290",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "psirt@fortinet.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": "2025-03-17T14:15:17.247",
  "references": [
    {
      "source": "psirt@fortinet.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://fortiguard.fortinet.com/psirt/FG-IR-20-137"
    }
  ],
  "sourceIdentifier": "psirt@fortinet.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "psirt@fortinet.com",
      "type": "Primary"
    }
  ]
}


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