Skip to main content

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVE-2020-25798

Medium
5.4/10

Summary

A stored cross-site scripting (XSS) vulnerability in LimeSurvey before and including 3.21.1 allows authenticated users with correct permissions to inject arbitrary web script or HTML via parameter ParticipantAttributeNamesDropdown of the Attributes on the central participant database page. When the survey attribute being edited or viewed, e.g. by an administrative user, the JavaScript code will be executed in the browser.

  • LOW
  • NETWORK
  • LOW
  • CHANGED
  • REQUIRED
  • LOW
  • LOW
  • NONE

CWE-79 - Cross Site Scripting

Cross-Site Scripting, commonly referred to as XSS, is the most dominant class of vulnerabilities. It allows an attacker to inject malicious code into a pregnable web application and victimize its users. The exploitation of such a weakness can cause severe issues such as account takeover, and sensitive data exfiltration. Because of the prevalence of XSS vulnerabilities and their high rate of exploitation, it has remained in the OWASP top 10 vulnerabilities for years.

References

Advisory Timeline

  • Published