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

CVE-2023-33194

Severity Medium
Score 4.8/10

Summary

Craft is a CMS for creating custom digital experiences on the web. In craftcms/cms versions 3.x prior to 3.8.6 and 4.x prior to 4.4.6 does not filter input and encode output in Quick Post validation error message, which can deliver an XSS payload. Old CVE fixed the XSS in label HTML but didn't fix it when clicking save.

  • LOW
  • NETWORK
  • LOW
  • CHANGED
  • REQUIRED
  • HIGH
  • 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.

Advisory Timeline

  • Published