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

CVE-2020-10075

Medium
6.1/10

Summary

GitLab 12.5 through 12.8.1 allows HTML Injection. A particular error header was potentially susceptible to injection or potentially other vulnerabilities via unescaped input.

  • LOW
  • NETWORK
  • LOW
  • CHANGED
  • REQUIRED
  • NONE
  • 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