XWiki Platform vulnerable to persistent Cross-site Scripting through CKEditor Configuration pages
Effect
Any 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
- removing technical documents, leading to loss of service
- Editing the javascript configuration of CKEditor, leading to persistent XSS
Patches
This issue has been patched in XWiki 14.10.6 and XWiki 15.1. This issue has been patched on the CKEditor Integration extension 1.64.9 for XWiki version older than 14.6RC1.
Workarounds
The 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.
See https://github.com/xwiki/xwiki-platform/commit/9d9d86179457cb8dc48b4491510537878800be4f
References
- https://jira.xwiki.org/browse/XWIKI-20590
- https://jira.xwiki.org/browse/CKEDITOR-508
- https://github.com/xwiki/xwiki-platform/commit/9d9d86179457cb8dc48b4491510537878800be4f
For more information
If you have any questions or comments about this advisory:
- Open an issue in Jira XWiki.org
- Email us at Security Mailing List
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.xwiki.contrib:application-ckeditor-ui | >= 1.9, < 1.64.9 | 1.64.9 |
| Java / Kotlin (Maven) | org.xwiki.platform:xwiki-platform-ckeditor-ui | >= 14.6-rc-1, < 14.10.6, >= 15.0-rc-1, < 15.1 | 14.10.6, 15.1 |
References
- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-793w-g325-hrw2
- https://nvd.nist.gov/vuln/detail/CVE-2023-36477
- https://github.com/xwiki/xwiki-platform/commit/9d9d86179457cb8dc48b4491510537878800be4f
- https://github.com/xwiki/xwiki-platform
- https://jira.xwiki.org/browse/CKEDITOR-508
- https://jira.xwiki.org/browse/XWIKI-20590
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H- Weakness (CWE)
CWE-79- Platform
- Java / Kotlin (Maven)
- Package
org.xwiki.contrib:application-ckeditor-ui, org.xwiki.platform:xwiki-platform-ckeditor-ui- Disclosed
- 30.06.2023
- Updated
- 11.10.2026 13:19
Sources and licenses
OSV / GitHub Advisory Database - GHSA-793w-g325-hrw2 - CC BY 4.0
Vulnerability history: org.xwiki.platform:xwiki-platform-ckeditor-ui
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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