CVE-2011-4553: Oneclickorgs One Click Orgs

Medium severity, CVSS 5.8. EPSS: 0.9% chance of exploitation in the next 30 days.

Multiple open redirect vulnerabilities in One Click Orgs before 1.2.3 allow (1) remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the return_to parameter, and allow (2) remote authenticated users to redirect users to arbitrary web sites and conduct phishing attacks via crafted characters in the domain name of a subdomain.

Affected products

• Oneclickorgs One Click Orgs: up to and including 1.2.2; version 1.0.0 only; version 1.0.1 only; version 1.1.0 only; version 1.1.1 only; version 1.2.0 only; …

Published 2011-12-06. Last modified 2026-06-16.