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CVE-2025-41074— Multiple vulnerabilities in Limesurvey

Quick assessment

Affected
LimeSurvey LimeSurvey
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

LimeSurvey（PHPSurveyor）是LimeSurvey团队的一套开源的在线问卷调查程序，它支持调查程序开发、调查问卷发布以及数据收集等功能。 LimeSurvey 6.13.0版本存在安全漏洞，该漏洞源于端点/optout导致无限HTTP重定向，可能导致拒绝服务攻击。

AI Predicted 5.3 Difficulty: Easy EPSS 0.31% · P22

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-41074

Vulnerability Information
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Vulnerability Title
Multiple vulnerabilities in Limesurvey
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
不可达退出条件的循环(无限循环)
Source: CVE Program / CVE List V5
Vulnerability Title
LimeSurvey 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LimeSurvey（PHPSurveyor）是LimeSurvey团队的一套开源的在线问卷调查程序，它支持调查程序开发、调查问卷发布以及数据收集等功能。 LimeSurvey 6.13.0版本存在安全漏洞，该漏洞源于端点/optout导致无限HTTP重定向，可能导致拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
LimeSurvey LimeSurvey 6.13.0 -

II. Public POCs for CVE-2025-41074

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III. Intelligence Information for CVE-2025-41074

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Vendor Advisories for CVE-2025-41074 (1)

Same Patch Batch · LimeSurvey · 2025-11-20 · 3 CVEs total

CVE-2025-41075 Multiple vulnerabilities in Limesurvey
CVE-2025-41076 Multiple vulnerabilities in Limesurvey

IV. Related Vulnerabilities

Same product: LimeSurvey
Same vendor: LimeSurvey
Same weakness: CWE-835

V. Comments for CVE-2025-41074

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