Impact
A registered user can perform remote code execution leading to privilege escalation by injecting the proper code in the "property" field of an attachment selector, as a gadget of their own dashboard.
Note that the vulnerability does not impact comments of a wiki.
Patches
The vulnerability has been patched in XWiki 13.10.11, 14.4.8, 14.10.2, 15.0-rc-1.
Workarounds
The problem can be worked around by applying following changes directly in XWiki.AttachmentSelector page: 5e8725b.
References
For more information
If you have any questions or comments about this advisory:
Attribution
This vulnerability has been reported by René de Sain @renniepak.
Impact
A registered user can perform remote code execution leading to privilege escalation by injecting the proper code in the "property" field of an attachment selector, as a gadget of their own dashboard.
Note that the vulnerability does not impact comments of a wiki.
Patches
The vulnerability has been patched in XWiki 13.10.11, 14.4.8, 14.10.2, 15.0-rc-1.
Workarounds
The problem can be worked around by applying following changes directly in XWiki.AttachmentSelector page: 5e8725b.
References
For more information
If you have any questions or comments about this advisory:
Attribution
This vulnerability has been reported by René de Sain @renniepak.