Privilege escalation (PR)/RCE from account through class sheet
Impact
It's possible for a user to execute anything with the right of the author of the XWiki.ClassSheet document.
Steps to Reproduce:
- Edit your user profile with the object editor and add an object of type
DocumentSheetBindingwith valueDefault Class Sheet - Edit your user profile with the wiki editor and add the syntax
{{async}}{{groovy}}println("Hello " + "from groovy!"){{/groovy}}{{/async}} - Click "Save & View"
Expected result:
An error is displayed as the user doesn't have the right to execute the Groovy macro.
Actual result:
The text "Hello from groovy!" is displayed at the top of the document.
Patches
This has been patched in XWiki 15.0-rc-1 and 14.10.4.
Workarounds
There are no known workarounds for it.
References
https://jira.xwiki.org/browse/XWIKI-20566 https://github.com/xwiki/xwiki-platform/commit/de72760d4a3e1e9be64a10660a0c19e9534e2ec4
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.platform:xwiki-platform-test-ui | >= 3.3-milestone-3, < 14.10.4 | 14.10.4 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H- Weakness (CWE)
CWE-863- Platform
- Java / Kotlin (Maven)
- Package
org.xwiki.platform:xwiki-platform-test-ui- Disclosed
- 11.05.2023
- Updated
- 11.10.2026 13:19
Sources and licenses
OSV / GitHub Advisory Database - GHSA-36fm-j33w-c25f - CC BY 4.0
Vulnerability history: org.xwiki.platform:xwiki-platform-test-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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