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

CVE-2023-34103

Medium
5.4/10

Summary

Avo is an open-source Ruby on Rails admin panel creation framework. In avo package versions through 2.33.2, some avo fields are vulnerable to Cross-site Scripting (XSS) when rendering html based content. Attackers do need to form edit privileges in order to successfully exploit this vulnerability, but the results are stored and no specific timing is required. Users are advised to configure CSP headers for their application and to limit untrusted user access as mitigation.

  • 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