{"id":"CVE-2023-36477","aliases":["GHSA-793w-g325-hrw2"],"url":"https://o3.security/vulnerability/CVE-2023-36477","summary":"Persistent Cross-site Scripting (XSS) through CKEditor Configuration pages in XWiki Platform","details":"### Effect\nAny user with edit rights can edit all pages in the `CKEditor' space. This makes it possible to perform a variety of harmful actions, such as\n- removing technical documents, leading to loss of service\n- Editing the javascript configuration of CKEditor, leading to persistent XSS\n\n### Patches\nThis issue has been patched in XWiki 14.10.6 and XWiki 15.1.\nThis issue has been patched on the CKEditor Integration extension 1.64.9 for XWiki version older than 14.6RC1.\n\n### Workarounds\nThe issue can be fixed manually by restricting the `edit` and `delete` rights to a trusted user or group (e.g. the `XWiki.XWikiAdminGroup` group), implicitly disabling those rights for all other users.\nSee https://github.com/xwiki/xwiki-platform/commit/9d9d86179457cb8dc48b4491510537878800be4f\n\n### References\n- https://jira.xwiki.org/browse/XWIKI-20590\n- https://jira.xwiki.org/browse/CKEDITOR-508\n- https://github.com/xwiki/xwiki-platform/commit/9d9d86179457cb8dc48b4491510537878800be4f\n\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n\n*    Open an issue in [Jira XWiki.org](https://jira.xwiki.org/)\n*    Email us at [Security Mailing List](mailto:security@xwiki.org)","published":"2023-06-30T18:57:38.354Z","modified":"2026-08-27T03:57:30.674580730Z","cvss":{"score":9,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":3,"affectedPackages":[{"ecosystem":"Maven","name":"org.xwiki.platform:xwiki-platform-ckeditor-ui","fixedVersion":"14.10.6"},{"ecosystem":"Maven","name":"org.xwiki.contrib:application-ckeditor-ui","fixedVersion":"1.64.9"},{"ecosystem":"Maven","name":"org.xwiki.platform:xwiki-platform-ckeditor-ui","fixedVersion":"15.1"}],"fix":{"url":"https://github.com/xwiki/xwiki-platform/commit/9d9d86179457cb8dc48b4491510537878800be4f","label":"xwiki/xwiki-platform@9d9d861"},"references":[{"type":"WEB","url":"https://jira.xwiki.org/browse/CKEDITOR-508"},{"type":"WEB","url":"https://jira.xwiki.org/browse/XWIKI-20590"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/36xxx/CVE-2023-36477.json"},{"type":"ADVISORY","url":"https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-793w-g325-hrw2"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-36477"},{"type":"FIX","url":"https://github.com/xwiki/xwiki-platform/commit/9d9d86179457cb8dc48b4491510537878800be4f"},{"type":"PACKAGE","url":"https://github.com/xwiki/xwiki-platform"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T03:57:30.674580730Z"}}