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.
History

Fri, 21 Nov 2025 20:00:00 +0000

Type Values Removed Values Added
First Time appeared Limesurvey
Limesurvey limesurvey
CPEs cpe:2.3:a:limesurvey:limesurvey:6.13.0:*:*:*:*:*:*:*
Vendors & Products Limesurvey
Limesurvey limesurvey
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


Thu, 20 Nov 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 20 Nov 2025 13:15:00 +0000

Type Values Removed Values Added
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.
Title Multiple vulnerabilities in Limesurvey
Weaknesses CWE-835
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: INCIBE

Published: 2025-11-20T12:49:29.997Z

Updated: 2025-11-20T18:32:58.485Z

Reserved: 2025-04-16T09:09:35.596Z

Link: CVE-2025-41075

cve-icon Vulnrichment

Updated: 2025-11-20T18:32:39.477Z

cve-icon NVD

Status : Analyzed

Published: 2025-11-20T15:17:29.263

Modified: 2025-11-21T19:59:05.430

Link: CVE-2025-41075

cve-icon Redhat

No data.