{"id":"CVE-2011-4555","aliases":["EUVD-2011-4481","GHSA-j2c5-395m-mm42"],"status":"published","title":"One Click Orgs before 1.2.3 does not require unique e-mail addresses for user accounts, which...","description":"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.","severity":{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00883,"percentile":0.59413,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-255"],"published":"2011-12-06T11:00:00Z","modified":"2026-06-16T23:35:02Z","products":[{"vendor":"oneclickorgs","product":"one_click_orgs"}],"references":[{"url":"https://groups.google.com/group/oneclickorgs-devspace/msg/26c40a4cc9e127d2?hl=en\u0026dmode=source\u0026output=gplain","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://dmcdonald.net/?page_id=43","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-4555"},{"url":"https://github.com/advisories/GHSA-j2c5-395m-mm42"}],"sources":{"cve":[{"id":"CVE-2011-4555","description":"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.","status":"published","published":"2011-12-06T11:00:00Z","modified":"2024-09-16T17:27:53.536Z","updated_at":"2026-11-02T14:35:37.671707Z"}],"euvd":[{"id":"EUVD-2011-4481","description":"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.","status":"published","published":"2011-12-06T11:00:00Z","modified":"2024-09-16T17:27:53Z","updated_at":"2026-11-03T00:55:41.925187Z"}],"ghsa":[{"id":"GHSA-j2c5-395m-mm42","title":"One Click Orgs before 1.2.3 does not require unique e-mail addresses for user accounts, which...","description":"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.","status":"published","published":"2022-05-17T05:36:25Z","modified":"2023-01-28T05:04:06Z","updated_at":"2026-11-02T14:44:06.354686Z"}],"nvd":[{"id":"CVE-2011-4555","description":"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.","status":"published","published":"2011-12-06T11:55:07.283Z","modified":"2026-06-16T23:35:02.37Z","cvss":[{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-255"],"updated_at":"2026-11-02T14:02:11.800512Z"}]}}