Impact
The rollback action is missing a right protection: it means that a user can rollback to a previous version of the page to gain rights they don't have anymore.
This vulnerability impacts all version of XWiki since rollback action is available.
Patches
The problem has been patched in XWiki 14.10.16, 15.5.3 and 15.8-rc-1 by ensuring that the rights are checked before performing the rollback.
Workarounds
There's no workaround for this vulnerability, except paying attention to delete old versions of documents that could allow users to gain more rights.
References
For more information
If you have any questions or comments about this advisory:
References
Impact
The rollback action is missing a right protection: it means that a user can rollback to a previous version of the page to gain rights they don't have anymore.
This vulnerability impacts all version of XWiki since rollback action is available.
Patches
The problem has been patched in XWiki 14.10.16, 15.5.3 and 15.8-rc-1 by ensuring that the rights are checked before performing the rollback.
Workarounds
There's no workaround for this vulnerability, except paying attention to delete old versions of documents that could allow users to gain more rights.
References
For more information
If you have any questions or comments about this advisory:
References