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

CVE-2017-9516

Medium
5.4/10

Summary

Craft CMS versions 1.2.0-alpha to 2.6.2981 and 3.0.0-beta1 through 3.0.0-beta19 are vulnerable to a potential XSS (Cross-Site Scripting) attack vector by uploading a malicious SVG file.

  • 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