CVE 2011-1402
Mahara before 1.3.6 allows remote authenticated users to bypass intended access restrictions, and suspend a user account, edit a view, visit a view, edit a plan artefact, read a plans block, read a plan artefact, edit a blog, read a blog block, read a blog artefact, or access a block, via a request associated with (1) admin/users/
See the
CVE page on Mitre.org
for more details.