mj has reported a vulnerability in Plone, which can be exploited by malicious people to manipulate certain information.
The vulnerability is caused due to missing security declarations in "changeMemberPortrait" and "deletePersonalPortrait". This can be exploited to manipulate or delete another user's portrait via the "member_id" parameter.
The vulnerability has been reported in versions 2.0.5, 2.1.2, and 2.5-beta1. Other versions may also be affected.
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