What’s Vulnerable › Vulnerabilities

CVE-2011-4555

• Severity: medium (CVSS 4.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-12-06 · updated 2026-06-16
• Weakness: CWE-255

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.

Affected products

• Oneclickorgs One Click Orgs: through 1.2.2; 1.0.0, 1.0.1, 1.1.0, 1.1.1, 1.2.0, 1.2.1

References

• http://dmcdonald.net/?page_id=43
• https://groups.google.com/group/oneclickorgs-devspace/msg/26c40a4cc9e127d2?hl=en&dmode=source&output=gplain
• http://dmcdonald.net/?page_id=43
• https://groups.google.com/group/oneclickorgs-devspace/msg/26c40a4cc9e127d2?hl=en&dmode=source&output=gplain

Get alerted when CVE-2011-4555 or the next vulnerability affects your stack