FKIE_CVE-2021-20654

Vulnerability from fkie_nvd - Published: 2021-02-10 09:15 - Updated: 2026-06-17 03:34
Severity
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Summary
Wekan, open source kanban board system, between version 3.12 and 4.11, is vulnerable to multiple stored cross-site scripting. This is named 'Fieldbleed' in the vendor's site.
References
vultures@jpcert.or.jphttps://jvn.jp/en/jp/JVN80785288/Third Party Advisory
vultures@jpcert.or.jphttps://wekan.github.io/hall-of-fame/fieldbleed/Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://jvn.jp/en/jp/JVN80785288/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://wekan.github.io/hall-of-fame/fieldbleed/Exploit, Third Party Advisory
Impacted products
Vendor Product Version
wekan_project wekan *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Wekan",
          "vendor": "Wekan Team",
          "versions": [
            {
              "status": "affected",
              "version": "versions between 3.12 and 4.11"
            }
          ]
        }
      ],
      "source": "vultures@jpcert.or.jp"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:wekan_project:wekan:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D2B2CB93-E64A-4005-B5D1-2E401A39EAE6",
              "versionEndIncluding": "4.11",
              "versionStartIncluding": "3.12",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Wekan, open source kanban board system, between version 3.12 and 4.11, is vulnerable to multiple stored cross-site scripting. This is named \u0027Fieldbleed\u0027 in the vendor\u0027s site."
    },
    {
      "lang": "es",
      "value": "Wekan, el sistema de placa kanban de c\u00f3digo abierto, entre versiones 3.12 y 4.11, es vulnerable a m\u00faltiples ataques de tipo cross-site scripting almacenado.\u0026#xa0;Esto es denominado \"Fieldbleed\" en el sitio del proveedor"
    }
  ],
  "id": "CVE-2021-20654",
  "lastModified": "2026-06-17T03:34:11.613",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "NONE",
          "baseScore": 3.5,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 6.8,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-02-10T09:15:12.887",
  "references": [
    {
      "source": "vultures@jpcert.or.jp",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://jvn.jp/en/jp/JVN80785288/"
    },
    {
      "source": "vultures@jpcert.or.jp",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://wekan.github.io/hall-of-fame/fieldbleed/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://jvn.jp/en/jp/JVN80785288/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://wekan.github.io/hall-of-fame/fieldbleed/"
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "vultures@jpcert.or.jp",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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