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

CVE-2021-46030

Medium
5.4/10

Summary

There is a Cross Site Scripting attack (XSS) vulnerability in JavaQuarkBBS <= v2. By entering specific statements into the background tag management module, the attack statement will be stored in the database, and the next victim will be attacked when he accesses the tag module.

  • 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