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

CVE-2025-57731

High
8.7/10

Summary

In JetBrains YouTrack before 2025.2.92387 stored XSS was possible via Mermaid diagram content

  • LOW
  • NETWORK
  • HIGH
  • CHANGED
  • REQUIRED
  • LOW
  • HIGH
  • 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