Any user with edit rights on any document (e.g., the own user profile) can execute code with programming rights, leading to remote code execution by following these steps:
{{async async="true" cached="false" context="doc.reference"}}{{groovy}}println("Hello " + "from groovy!"){{/groovy}}{{/async}}
XWiki.TemplateProviderClass
(named "Template Provider Class") to that document.?sheet=XWiki.AdminTemplatesSheet
to the URL.When the attack is successful, a template with name "Hello from groovy!" is displayed in the list while on fixed systems, the full title should be displayed.
This vulnerability has been patched in XWiki 13.10.11, 14.4.8, 14.10.1 and 15.0 RC1.
The vulnerability can be fixed by patching the code in the affected XWiki document as shown in the patch.
If you have any questions or comments about this advisory: * Open an issue in Jira XWiki.org * Email us at Security Mailing List
{ "nvd_published_at": "2023-04-19T00:15:08Z", "cwe_ids": [ "CWE-74" ], "severity": "CRITICAL", "github_reviewed": true, "github_reviewed_at": "2023-04-20T21:46:57Z" }