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

CVE-2020-15276

Severity High
Score 8.7/10

Summary

The package baserCMS in versions prior to 4.4.1 is vulnerable to Cross-Site Scripting (XSS). Arbitrary JavaScript may be executed by entering a crafted nickname in blog comments. The issue affects the blog comment component.

  • 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