It's possible to use the right of an existing document content author to execute a text area property.
To reproduce:
{{groovy}}println("hello from groovy!"){{/groovy}}
This has been patched in XWiki 14.10, 14.4.7, and 13.10.11.
No known workaround.
https://jira.xwiki.org/browse/XWIKI-20373
If you have any questions or comments about this advisory:
{ "nvd_published_at": "2023-03-02T19:15:00Z", "github_reviewed_at": "2023-03-03T22:48:40Z", "severity": "CRITICAL", "github_reviewed": true, "cwe_ids": [ "CWE-284" ] }