Users can be created even when registration is disabled without validation via the template macro in xwiki-platform

{
  "id": "ca01b0cd1063d437a485cab1371d8f1adeb29a22741da580c585920688f38ed4",
  "url": "https://osv.dev/vulnerability/CVE-2023-29513",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Users can be created even when registration is disabled without validation via the template macro in xwiki-platform",
    "summary": "XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. If guest has view right on any document. It's possible to create a new user using the `distribution/firstadminuser.wiki` in the wrong context. This vulnerability has been patched in XWiki 15.0-rc-1 and 14.10.1. There is no known workaround other than upgrading.",
    "evidence": "osv:CVE-2023-29513",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-29513",
      "aliases": [
        "CVE-2023-29513",
        "GHSA-fp36-mjw5-fmgx"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/xwiki/xwiki-commons",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "92a80f0a6344f8c7efb8373f8604d007e775625b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "14.10.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            },
            {
              "repo": "https://github.com/xwiki/xwiki-platform",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8f86c33eaa61f634015ab3806f25f9bf0c82638d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "14.10.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "cpe": "cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "14.10.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "xwiki-commons-14.10",
            "xwiki-commons-8.3-milestone-2",
            "xwiki-commons-8.3-milestone-1",
            "xwiki-commons-8.2-milestone-2",
            "xwiki-commons-8.2-milestone-1",
            "xwiki-commons-8.1-milestone-2",
            "xwiki-commons-8.1-milestone-1",
            "xwiki-commons-8.0-milestone-2",
            "xwiki-commons-8.0-milestone-1",
            "xwiki-platform-14.10",
            "xwiki-platform-9.9-rc-2",
            "xwiki-platform-8.3-milestone-1",
            "xwiki-platform-8.2-milestone-2",
            "xwiki-platform-8.2-milestone-1",
            "xwiki-platform-8.1-milestone-2",
            "xwiki-platform-8.1-milestone-1",
            "xwiki-platform-8.0-milestone-2",
            "xwiki-platform-8.0-milestone-1",
            "xwiki-platform-7.4-milestone-2",
            "xwiki-platform-7.4-milestone-1",
            "xwiki-platform-7.3-milestone-2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-29513.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:53.128453958Z",
      "provider": "osv",
      "references": [
        "https://jira.xwiki.org/browse/XWIKI-19852",
        "https://jira.xwiki.org/browse/XWIKI-20400",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/29xxx/CVE-2023-29513.json",
        "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-fp36-mjw5-fmgx",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-29513"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-284"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/29xxx/CVE-2023-29513.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-29513",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 521950,
  "published_at": "2023-04-18T23:46:10.746+00:00"
}