CVE-2025-41075 - CVE House
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Status published Medium CVE-2025-41075

Multiple vulnerabilities in Limesurvey

Vulnerability Description

Vulnerability in LimeSurvey 6.13.0 in the endpoint /optin that causes infinite HTTP redirects when accessed directly. This behavior can be exploited to generate a Denegation of Service (DoS attack), by exhausting server or client resources. The system is unable to break the redirect loop, which can cause service degradation or browser instability.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Julen Garrido Estevez

Affected Vendor

Affected Software

LimeSurvey
Vulnerable Versions:
6.13.0

Timeline

Official Publish: November 20th, 2025
Last Modified: November 20th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)