LimeSurvey Community Edition 7.8.0 contains an SQL injection vulnerability in the survey-archive participant import and SPSS-response export workflow. An authenticated user with global surveys.create permission can import a crafted .lsa archive whose participant XML creates an attacker-named attribute column. When the user exports responses from the imported non-anonymous survey, LimeSurvey passes the persisted name to Yii's select builder. Names containing parentheses are treated as SQL expressions instead of quoted identifiers, causing attacker-controlled SQL to execute with the application's database privileges.

LimeSurvey Community Edition 7.7.0 contains a stored cross-site scripting vulnerability in the Central Participants Database blocklist control. An authenticated user with only global participantpanel:import permission can import a CSV participantid containing HTML. The import flow persists that value without model validation. When a CPDB editor opens the participant list, LimeSurvey derives ButtonGroupWidget id and name attributes from participantid and inserts them without HTML encoding, causing attacker-controlled markup to execute in the victim's authenticated LimeSurvey origin. Exploitation can access session-exposed data and issue same-origin requests with the victim's effective permissions.

An authenticated LimeSurvey Community Edition 7.4.0 user with the global Surveys: create permission can store a JavaScript-breaking value in the datemin attribute of a Date/Time question. When another user renders the affected question, LimeSurvey inserts the stored value into a single-quoted inline JavaScript literal without JavaScript-context encoding.

An authenticated LimeSurvey Community Edition 7.3.0 user allowed to create surveys can use their own survey as an authorized context while supplying question or answer identifiers belonging to another user's survey. The REST survey-patching endpoint checks the attacker's permission against the survey ID in the request URL, but the vulnerable persistence operations resolve the target object independently by its global qid or aid and never verify that it belongs to that authorized survey.

LimeSurvey Community Edition 7.0.14 contains a reflected cross-site scripting vulnerability on the administrative survey-participant CSV import result page.

LimeSurvey Community Edition 7.0.14 fails to safely encode attacker-controlled content from a crafted .lss survey file when displaying import warnings, resulting in XSS in the administrative interface.

LimeSurvey Community Edition 7.0.5 contains an authenticated improper authorization vulnerability in the survey menu entry creation endpoint.

An authenticated user with only the global settings:read permission can directly invoke POST /index.php/admin/menuentries/sa/create and create new survey menu entries without the expected settings:update privilege. The endpoint also allows the attacker to submit menu IDs that the normal interface and intended update workflow restrict for non-superadministrators, enabling unauthorized changes to administrative navigation records.

This issue affects LimeSurvey: 7.0.5.

LimeSurvey Community Edition 7.0.5+260623 contains an authenticated reflected Cross-Site Scripting vulnerability in the user activation confirmation endpoint. The action query parameter is copied into the response and inserted into a hidden input attribute without HTML attribute encoding.

This issue affects LimeSurvey: 7.0.5.

LimeSurvey Community Edition 7.0.5 contains a stored cross-site scripting vulnerability in the survey quota creation workflow. An authenticated low-privileged user who can create and manage their own survey can store malicious JavaScript in a quota message.

This issue affects LimeSurvey: 7.0.5.

LimeSurvey Community Edition 7.0.5 contains an authenticated stored cross-site scripting vulnerability in the replacement-fields dialog used by the administrative question editor.This issue affects LimeSurvey: 7.0.5.

LimeSurvey Community Edition 7.0.5 contains a stored cross-site scripting vulnerability in the Survey Menu Entries administration page. An authenticated user with the global settings:read permission can create a survey menu entry containing attacker-controlled data. The value is stored in the surveymenuentries.data field and later inserted into a single-quoted HTML title attribute without context-appropriate encoding.

This issue affects LimeSurvey: 7.0.5.

LimeSurvey Community Edition 7.0.5 contains an authenticated SQL injection vulnerability in the Central Participant Database (CPDB) workflow that copies survey participant tokens to the central participant list.

LimeSurvey Community Edition 7.0.5 contains an authenticated reflected cross-site scripting vulnerability in the HTML editor popup endpoint. The text and name query parameters are passed through a blacklist sanitizer and then rendered without context-appropriate output encoding.

LimeSurvey through 6.17.10 and 7.0.4 contains a server-side request forgery vulnerability in the REST API survey template endpoint that allows authenticated users to cause the server to issue arbitrary HTTP requests by supplying a manipulated Host header. Attackers can exploit the unsanitized use of the HTTP Host header in the getTemplateData() function to reach internal network services, cloud metadata endpoints, and extract sensitive credentials such as IAM tokens from instance metadata services.

LimeSurvey has a SQL Injection issue

LimeSurvey constructs account password-reset links from the client-supplied HTTP Host header without validating it.

A Reflected Cross-Site Scripting (XSS) affects LimeSurvey versions prior to 6.15.11+250909, due to the lack of validation of gid parameter in getInstance() function in application/models/QuestionCreate.php. This allows an attacker to craft a malicious URL and compromise the logged in user.

Cross Site Scripting vulnerability in Limesurvey v.6.15.20+251021 allows a remote attacker to execute arbitrary code via the Box[title] and box[url] parameters.

LimeSurvey is vulnerable to SQL injection

A deserialization vulnerability in LimeSurvey before v6.15.0+250623 allows a remote attacker to execute arbitrary code on the server.

LimeSurvey 4.3.10 contains a stored cross-site scripting vulnerability in the Survey Menu functionality of the administration panel. Attackers can inject malicious SVG scripts through the Surveymenu[title] and Surveymenu[parentid] parameters to execute arbitrary JavaScript in administrative contexts.

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. Instead of displaying a generic error message, the system exposes internal backend information, including the use of the Yii framework, the MySQL/MariaDB database engine, the table name 'limesessions', primary keys, and fragments of the content that caused the conflict. This information can simplify the collection of data about the internal architecture of the application by an attacker.

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.

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.

CRLF Injection vulnerability in Limesurvey v2.65.1+170522.  This vulnerability could allow a remote attacker to inject arbitrary HTTP headers and perform HTTP response splitting attacks via '/index.php/survey/index/sid/<SID>/token/fwyfw%0d%0aCookie:%20POC'.

SQL Injection vulnerability in Limesurvey v2.65.1+170522. This vulnerability allows an attacker to retrieve, create, update and delete database via 'token' parameter in '/index.php' endpoint.

An unauthenticated file download vulnerability exists in LimeSurvey versions from 2.0+ up to and including 2.06+ Build 151014. The application fails to validate serialized input to the admin backup endpoint (index.php/admin/update/sa/backup), allowing attackers to specify arbitrary file paths using a crafted datasupdateinfo payload. The files are packaged in a ZIP archive and made available for download without authentication. This vulnerability can be exploited to read arbitrary files on the host system, including sensitive OS and configuration files.

Cross Site Scripting vulnerability in LimeSurvey before 6.5.12+240611 allows a remote attacker to execute arbitrary code via a crafted script to the title and comment fields.

Cross Site Scripting vulnerability in LimeSurvey before 6.5.0+240319 allows a remote attacker to execute arbitrary code via a lack of input validation and output encoding in the Alert Widget's message component.

A Host header injection vulnerability in the password reset function of LimeSurvey v.6.6.1+240806 and before allows attackers to send users a crafted password reset link that will direct victims to a malicious domain.