FKIE_CVE-2021-26087

Vulnerability from fkie_nvd - Published: 2025-03-17 14:15 - Updated: 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"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.