CVE-2021-29459

{
  "id": "CVE-2021-29459",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 9.6,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 2.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 6.1,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "xwiki",
          "product": "xwiki-platform",
          "versions": [
            {
              "status": "affected",
              "version": "< 12.6.3"
            },
            {
              "status": "affected",
              "version": ">= 12.6.4, < 12.8"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-04-20T19:15:09.670",
  "references": [
    {
      "url": "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-5c66-v29h-xjh8",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-5c66-v29h-xjh8",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. It is possible to persistently inject scripts in XWiki versions prior to 12.6.3 and 12.8. Unregistred users can fill simple text fields. Registered users can fill in their personal information and (if they have edit rights) fill the values of static lists using App Within Minutes. There is no easy workaround except upgrading XWiki. The vulnerability has been patched on XWiki 12.8 and 12.6.3."
    },
    {
      "lang": "es",
      "value": "XWiki Platform es una plataforma wiki genérica que ofrece servicios en tiempo de ejecución para aplicaciones creadas sobre ella.&#xa0;Es posible inyectar scripts de forma persistente en XWiki versiones anteriores a 12.6.3 y 12.8.&#xa0;Unos usuarios no registrados pueden completar campos de texto simple.&#xa0;Los usuarios registrados pueden completar su información personal y (si presentan derechos de edición) completar los valores de las listas estáticas usando App Within Minutes.&#xa0;No se presenta una solución sencilla excepto actualizar XWiki.&#xa0;La vulnerabilidad ha sido parcheada en XWiki versiones 12.8 y 12.6.3"
    }
  ],
  "lastModified": "2026-06-17T03:47:41.050",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "63E75D2E-DB11-432C-A4C9-DE3AECEC3ED7",
              "versionEndExcluding": "12.6.3"
            },
            {
              "criteria": "cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3EC9936D-FBF4-4908-B89C-F90DD6E26D99",
              "versionEndExcluding": "12.8",
              "versionStartIncluding": "12.6.4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security-advisories@github.com"
}