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

CVE-2021-25975

Medium
5.4/10

Summary

In publify, versions v8.0 through v9.2.4 are vulnerable to stored XSS as a result of an unrestricted file upload. This issue allows a user with “publisher” role to inject malicious JavaScript via the uploaded html 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