CVE-2011-4555
One Click Orgs before 1.2.3 does not require unique e-mail addresses for user accounts, which...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2011-4555- CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:N/A:P - Weakness
- CWE-255
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-4555- Updated
- 2026-11-02
EUVDEUVD-2011-4481 No score
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.
- Record
EUVD-2011-4481- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j2c5-395m-mm42 No score
One Click Orgs before 1.2.3 does not require unique e-mail addresses for user accounts, which...
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.
- Record
GHSA-j2c5-395m-mm42- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-4555 is a medium vulnerability (CVSS 4.0) in Oneclickorgs One Click Orgs, published December 6, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.88%, the 59th percentile. No source names a fixed version.