### Impact
Tags from pages not viewable to the current user are leaked by the tags API.
This information can also be exploited to infer the document reference of non-viewable pages.

### Patches
This vulnerability has been patched in XWiki 14.4.8, 14.10.4, and 15.0 RC1.

### Workarounds
There is no workaround apart from upgrading to a fixed version.

### References
– https://jira.xwiki.org/browse/XWIKI-20002

### For more information

If you have any questions or comments about this advisory:

* Open an issue in [Jira XWiki.org](https://jira.xwiki.org/)
* Email us at [Security Mailing List](mailto:[email protected])Read More