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Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in @angular/core

CVE-2021-4231

  • @angular/core
  • org.webjars.npm:angular__core
Medium
5.4/10

Summary

A vulnerability was found in Angular prior to 9.1.13, 10.x prior to 10.2.4, 11.0.x prior to 11.0.5, 11.1.x prior to 11.1.0-next3. It has been classified as problematic. Affected is the handling of comments. The manipulation leads to cross site scripting. It is possible to launch the attack remotely but it might require an authentication first. It is recommended to upgrade the affected component.

  • 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