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Limesurvey

9 CVEs product

Monthly

CVE-2026-50635 HIGH PATCH This Week

Account takeover in LimeSurvey is possible through host header injection in the forgotten-password workflow, where reset links are built from the client-supplied HTTP Host header without validation. Remote unauthenticated attackers who know a target's username and email can submit a password-reset request with a spoofed Host header, causing LimeSurvey to email the victim a reset link pointing to an attacker-controlled host while still embedding the valid reset token. Reported by VulnCheck with publicly available exploit code exists via the vendor PR diff, though no public exploit identified at time of analysis in CISA KEV.

Information Disclosure Limesurvey
NVD GitHub VulDB
CVSS 4.0
8.7
EPSS
0.1%
CVE-2025-56422 CRITICAL Act Now

LimeSurvey before v6.15.0 has an insecure deserialization enabling remote code execution through crafted survey data.

Deserialization RCE Limesurvey
NVD GitHub VulDB
CVSS 3.1
9.8
EPSS
0.1%
CVE-2025-56421 PHP HIGH PATCH This Week

SQL Injection vulnerability in LimeSurvey before v.6.15.4+250710 allows a remote attacker to obtain sensitive information from the database. [CVSS 7.5 HIGH]

SQLi Limesurvey
NVD GitHub VulDB
CVSS 3.1
7.5
EPSS
0.0%
CVE-2020-36993 MEDIUM POC PATCH This Month

LimeSurvey 4.3.10 contains a stored cross-site scripting vulnerability in the Survey Menu functionality of the administration panel. [CVSS 5.4 MEDIUM]

XSS Limesurvey
NVD GitHub Exploit-DB
CVSS 3.1
5.4
EPSS
0.1%
CVE-2025-41076 MEDIUM This Month

In version 6.13.0 of LimeSurvey, any external user can cause a 500 error in the survey system by sending a malformed session cookie. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Limesurvey
NVD
CVSS 4.0
6.9
EPSS
0.1%
CVE-2025-41075 MEDIUM This Month

Vulnerability in LimeSurvey 6.13.0 in the endpoint /optin that causes infinite HTTP redirects when accessed directly. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Limesurvey
NVD
CVSS 4.0
6.9
EPSS
0.1%
CVE-2025-41074 MEDIUM This Month

Vulnerability in LimeSurvey 6.13.0 in the endpoint /optout that causes infinite HTTP redirects when accessed directly. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Limesurvey
NVD
CVSS 4.0
6.9
EPSS
0.1%
CVE-2025-41376 MEDIUM This Month

CRLF Injection vulnerability in Limesurvey v2.65.1+170522. Rated medium severity (CVSS 5.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

PHP Code Injection Limesurvey
NVD
CVSS 4.0
5.1
EPSS
0.0%
CVE-2025-41375 CRITICAL Act Now

SQL Injection vulnerability in Limesurvey v2.65.1+170522. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

PHP SQLi Limesurvey
NVD
CVSS 4.0
9.3
EPSS
0.0%
EPSS 0% CVSS 8.7
HIGH PATCH This Week

Account takeover in LimeSurvey is possible through host header injection in the forgotten-password workflow, where reset links are built from the client-supplied HTTP Host header without validation. Remote unauthenticated attackers who know a target's username and email can submit a password-reset request with a spoofed Host header, causing LimeSurvey to email the victim a reset link pointing to an attacker-controlled host while still embedding the valid reset token. Reported by VulnCheck with publicly available exploit code exists via the vendor PR diff, though no public exploit identified at time of analysis in CISA KEV.

Information Disclosure Limesurvey
NVD GitHub VulDB
EPSS 0% CVSS 9.8
CRITICAL Act Now

LimeSurvey before v6.15.0 has an insecure deserialization enabling remote code execution through crafted survey data.

Deserialization RCE Limesurvey
NVD GitHub VulDB
EPSS 0% CVSS 7.5
HIGH PATCH This Week

SQL Injection vulnerability in LimeSurvey before v.6.15.4+250710 allows a remote attacker to obtain sensitive information from the database. [CVSS 7.5 HIGH]

SQLi Limesurvey
NVD GitHub VulDB
EPSS 0% CVSS 5.4
MEDIUM POC PATCH This Month

LimeSurvey 4.3.10 contains a stored cross-site scripting vulnerability in the Survey Menu functionality of the administration panel. [CVSS 5.4 MEDIUM]

XSS Limesurvey
NVD GitHub Exploit-DB
EPSS 0% CVSS 6.9
MEDIUM This Month

In version 6.13.0 of LimeSurvey, any external user can cause a 500 error in the survey system by sending a malformed session cookie. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Limesurvey
NVD
EPSS 0% CVSS 6.9
MEDIUM This Month

Vulnerability in LimeSurvey 6.13.0 in the endpoint /optin that causes infinite HTTP redirects when accessed directly. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Limesurvey
NVD
EPSS 0% CVSS 6.9
MEDIUM This Month

Vulnerability in LimeSurvey 6.13.0 in the endpoint /optout that causes infinite HTTP redirects when accessed directly. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Limesurvey
NVD
EPSS 0% CVSS 5.1
MEDIUM This Month

CRLF Injection vulnerability in Limesurvey v2.65.1+170522. Rated medium severity (CVSS 5.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

PHP Code Injection Limesurvey
NVD
EPSS 0% CVSS 9.3
CRITICAL Act Now

SQL Injection vulnerability in Limesurvey v2.65.1+170522. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

PHP SQLi Limesurvey
NVD

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