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

CVE-2019-14350

Medium
6.1/10

Summary

EspoCRM 5.6.4 is vulnerable to stored XSS due to lack of filtration of user-supplied data in the Knowledge base. A malicious attacker can inject JavaScript code in the body parameter during api/v1/KnowledgeBaseArticle knowledge-base record creation.

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