One Click Orgs before 1.2.3 does not require unique e-mail addresses for user accounts, which allows remote authenticated users to cause a denial of service (login disruption) or spoof votes or comments by selecting a conflicting e-mail address.
https://groups.google.com/group/oneclickorgs-devspace/msg/26c40a4cc9e127d2?hl=en&dmode=source&output=gplain
http://dmcdonald.net/?page_id=43
Source: Mitre, NVD
Published: 2011-12-06
Updated: 2026-06-16
Base Score: 4
Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.00403