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CVE-2021-32621

Status: ModifiedHigh (8.8)—

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. In versions prior to 12.6.7 and 12.10.3, a user without Script or Programming right is able to execute script requiring privileges by editing gadget titles in the dashboard. The issue has been patched in XWiki 12.6.7, 12.10.3 and 13.0RC1.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Xwiki — Xwiki

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2021-32621",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "xwiki",
          "product": "xwiki-platform",
          "versions": [
            {
              "status": "affected",
              "version": "< 12.6.7"
            },
            {
              "status": "affected",
              "version": ">= 12.10.0, < 12.10.3"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-05-28T21:15:08.980",
  "references": [
    {
      "url": "https://github.com/xwiki/xwiki-platform/commit/bb7068bd911f91e5511f3cfb03276c7ac81100bc",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-h353-hc43-95vc",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://jay-from-future.github.io/cve/2021/06/17/xwiki-rce-cve.html",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://jira.xwiki.org/browse/XWIKI-17794",
      "tags": [
        "Permissions Required",
        "Vendor Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/xwiki/xwiki-platform/commit/bb7068bd911f91e5511f3cfb03276c7ac81100bc",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-h353-hc43-95vc",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://jay-from-future.github.io/cve/2021/06/17/xwiki-rce-cve.html",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://jira.xwiki.org/browse/XWIKI-17794",
      "tags": [
        "Permissions Required",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. In versions prior to 12.6.7 and 12.10.3, a user without Script or Programming right is able to execute script requiring privileges by editing gadget titles in the dashboard. The issue has been patched in XWiki 12.6.7, 12.10.3 and 13.0RC1."
    },
    {
      "lang": "es",
      "value": "La Plataforma XWiki es una plataforma wiki genérica que ofrece servicios de ejecución para las aplicaciones construidas sobre ella. En las versiones anteriores a la versión 12.6.7 y 12.10.3, un usuario sin derecho de Script o Programación puede ejecutar un script que requiera privilegios al editar los títulos de los gadgets en el tablero. El problema ha sido parcheado en XWiki versiones 12.6.7, 12.10.3 y 13.0RC1"
    }
  ],
  "lastModified": "2026-06-17T03:53:17.330",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A8416E7D-CD3A-430D-ADBF-EC34D645EA5E",
              "versionEndExcluding": "12.6.7",
              "versionStartIncluding": "3.0.1"
            },
            {
              "criteria": "cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "432B9E17-5DC4-4A14-9F1A-084D6CE108D0",
              "versionEndExcluding": "12.10.3",
              "versionStartIncluding": "12.10"
            },
            {
              "criteria": "cpe:2.3:a:xwiki:xwiki:3.0:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B80CC851-2324-437A-B4A5-06A5EB2FE180"
            },
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              "criteria": "cpe:2.3:a:xwiki:xwiki:3.0:milestone3:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A45A230D-909F-42D3-836D-95660805B094"
            },
            {
              "criteria": "cpe:2.3:a:xwiki:xwiki:3.0:rc1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6400CA62-5250-4BA5-A94B-7D529CDBE38E"
            }
          ],
          "operator": "OR"
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  "sourceIdentifier": "security-advisories@github.com"
}