LimeSurvey Vulnerability in Endpoint Leading to Denial of Service

CVE-2025-41074

What is CVE-2025-41074?

A vulnerability in LimeSurvey version 6.13.0 can be exploited through the endpoint /optout to trigger infinite HTTP redirects. When accessed, this results in excessive resource consumption and can lead to service degradation or browser instability, as the system fails to escape the redirect loop. This behavior poses significant risks as it may result in Denial of Service (DoS) attacks, impeding normal operations and causing disruptions.

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