# CVE-2025-41074: Vulnerability in LimeSurvey 6.13.0 in the endpoint /optout that causes infinite HTTP redirects when accessed directly…

Source: https://junglewise.ai/threats/cve-2025-41074-vulnerability-in-limesurvey-6-13-0-in-the-endpoint-optout-that  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-11-20  
License: CC BY 4.0 with a link back

CVE-2025-41074 · Severity: high · CVSS 7.5 · Published 2025-11-20

Vulnerability in LimeSurvey 6.13.0  in the endpoint /optout 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.

Technologies: [LimeSurvey](https://junglewise.ai/threats/technologies/limesurvey). Vendors: [LimeSurvey](https://junglewise.ai/threats/vendors/limesurvey).

## Quick answers

**Is CVE-2025-41074 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-41074 being exploited in the wild.

**How severe is CVE-2025-41074?** High severity, with a CVSS score of 7.5, published 20 November 2025.

**Which products and versions are affected?** LimeSurvey. The advisory does not name versions.

**Is there a fix for CVE-2025-41074?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2025-41074?** Check whether you run LimeSurvey. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- LimeSurvey

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