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

CVE-2020-27832

High
9/10

Summary

A flaw was found in Red Hat Quay, where it has a persistent Cross-site Scripting (XSS) vulnerability when displaying a repository's notification. This flaw allows an attacker to trick a user into performing a malicious action to impersonate the target user. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

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

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