Vulnerability-Lookup

CVE-2026-33229 (GCVE-0-2026-33229)

Vulnerability from cvelistv5 – Published: 2026-04-08 14:53 – Updated: 2026-04-10 20:33

Title

XWiki Platform affected by remote code execution with script right through unprotected Velocity scripting API

Summary

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Prior to 17.4.8 and 17.10.1, an improperly protected scripting API allows any user with script right to bypass the sandboxing of the Velocity scripting API and execute, e.g., arbitrary Python scripts, allowing full access to the XWiki instance and thereby compromising the confidentiality, integrity and availability of the whole instance. Note that script right already constitutes a high level of access that we don't recommend giving to untrusted users. This vulnerability is fixed in 17.4.8 and 17.10.1.

Severity ?

8.6 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CWE

CWE-862 - Missing Authorization

Assigner

GitHub_M

References

URL

Tags

	https://github.com/xwiki/xwiki-platform/security/…	x_refsource_CONFIRM
	https://github.com/xwiki/xwiki-platform/commit/9f…	x_refsource_MISC
	https://jira.xwiki.org/browse/XWIKI-23698	x_refsource_MISC
	https://jira.xwiki.org/browse/XWIKI-23702	x_refsource_MISC

Impacted products

Vendor

Product

Version

xwiki

xwiki-platform

Affected: >= 17.0.0-rc-1, < 17.4.8
Affected: >= 17.5.0-rc-1, < 17.10.1

	org.xwiki.platform	xwiki-platform-legacy-oldcore	Affected: >= 17.0.0-rc-1, < 17.4.8 Affected: >= 17.5.0-rc-1, < 17.10.1
	org.xwiki.platform	xwiki-platform-oldcore	Affected: >= 17.0.0-rc-1, < 17.4.8 Affected: >= 17.5.0-rc-1, < 17.10.1

Show details on NVD website

JSON

To clipboard

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    "datePublished": "2026-04-08T14:53:35.977Z",
    "dateReserved": "2026-03-18T02:42:27.507Z",
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    "state": "PUBLISHED"
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GHSA-H259-74H5-4RH9

Vulnerability from github – Published: 2026-04-08 15:00 – Updated: 2026-04-08 19:26

Summary

XWiki vulnerable to remote code execution with script right through unprotected Velocity scripting API

Details

Impact

An improperly protected scripting API allows any user with script right to bypass the sandboxing of the Velocity scripting API and execute, e.g., arbitrary Python scripts, allowing full access to the XWiki instance and thereby compromising the confidentiality, integrity and availability of the whole instance. Note that script right already constitutes a high level of access that we don't recommend giving to untrusted users.

Patches

The vulnerability has been patched in XWiki 17.4.8 and 17.10.1 by requiring programming right to access the affected scripting API.

Workarounds

We're not aware of any workarounds except for being careful whom you grant script right.

Attribution

We thank Youssef Azefzaf for discovering and reporting this vulnerability.

Severity ?

8.6 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.xwiki.platform:xwiki-platform-oldcore"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "17.0.0-rc-1"
            },
            {
              "fixed": "17.4.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.xwiki.platform:xwiki-platform-oldcore"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "17.5.0-rc-1"
            },
            {
              "fixed": "17.10.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.xwiki.platform:xwiki-platform-legacy-oldcore"
      },
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          "events": [
            {
              "introduced": "17.0.0-rc-1"
            },
            {
              "fixed": "17.4.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.xwiki.platform:xwiki-platform-legacy-oldcore"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "17.5.0-rc-1"
            },
            {
              "fixed": "17.10.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-33229"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-08T15:00:17Z",
    "nvd_published_at": "2026-04-08T16:16:23Z",
    "severity": "HIGH"
  },
  "details": "### Impact\nAn improperly protected scripting API allows any user with script right to bypass the sandboxing of the Velocity scripting API and execute, e.g., arbitrary Python scripts, allowing full access to the XWiki instance and thereby compromising the confidentiality, integrity and availability of the whole instance. Note that script right already constitutes a high level of access that we don\u0027t recommend giving to untrusted users.\n\n### Patches\nThe vulnerability has been patched in XWiki 17.4.8 and 17.10.1 by requiring programming right to access the affected scripting API.\n\n### Workarounds\nWe\u0027re not aware of any workarounds except for being careful whom you grant script right.\n\n### Attribution\nWe thank Youssef Azefzaf for discovering and reporting this vulnerability.",
  "id": "GHSA-h259-74h5-4rh9",
  "modified": "2026-04-08T19:26:25Z",
  "published": "2026-04-08T15:00:17Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-h259-74h5-4rh9"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33229"
    },
    {
      "type": "WEB",
      "url": "https://github.com/xwiki/xwiki-platform/commit/9fe84da66184c05953df9466cf3a4acd15a46e63"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/xwiki/xwiki-platform"
    },
    {
      "type": "WEB",
      "url": "https://jira.xwiki.org/browse/XWIKI-23698"
    },
    {
      "type": "WEB",
      "url": "https://jira.xwiki.org/browse/XWIKI-23702"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "XWiki vulnerable to remote code execution with script right through unprotected Velocity scripting API"
}

FKIE_CVE-2026-33229

Vulnerability from fkie_nvd - Published: 2026-04-08 16:16 - Updated: 2026-04-08 21:26

Severity ?

8.6 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/xwiki/xwiki-platform/commit/9fe84da66184c05953df9466cf3a4acd15a46e63
	security-advisories@github.com	https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-h259-74h5-4rh9
	security-advisories@github.com	https://jira.xwiki.org/browse/XWIKI-23698
	security-advisories@github.com	https://jira.xwiki.org/browse/XWIKI-23702

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Prior to 17.4.8 and 17.10.1, an improperly protected scripting API allows any user with script right to bypass the sandboxing of the Velocity scripting API and execute, e.g., arbitrary Python scripts, allowing full access to the XWiki instance and thereby compromising the confidentiality, integrity and availability of the whole instance. Note that script right already constitutes a high level of access that we don\u0027t recommend giving to untrusted users. This vulnerability is fixed in 17.4.8 and 17.10.1."
    }
  ],
  "id": "CVE-2026-33229",
  "lastModified": "2026-04-08T21:26:13.410",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 8.6,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "HIGH",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-04-08T16:16:23.430",
  "references": [
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/xwiki/xwiki-platform/commit/9fe84da66184c05953df9466cf3a4acd15a46e63"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-h259-74h5-4rh9"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://jira.xwiki.org/browse/XWIKI-23698"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://jira.xwiki.org/browse/XWIKI-23702"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Primary"
    }
  ]
}

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.

Action not permitted

CVE-2026-33229 (GCVE-0-2026-33229)

GHSA-H259-74H5-4RH9

Impact

Patches

Workarounds

Attribution

FKIE_CVE-2026-33229

Tags

Sightings

Nomenclature