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URL Redirection to Untrusted Site ('Open Redirect')

CVE-2023-49438

Medium
6.1/10

Summary

An open redirect vulnerability in Flask-Security and Flask-Security-Too versions prior to 5.3.3 allows attackers to redirect unsuspecting users to malicious sites via a crafted URL by abusing the "?next" parameter on the "/login" and "/register" routes.

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

CWE-601 - Open Redirect

An open redirect attack employs a URL parameter, HTML refresh tags, or a DOM based location change to exploit the trust of a vulnerable domain to direct the users to a malicious website. The attack could lead to higher severity vulnerabilities such as unauthorized access control, account takeover, XSS, and more.

References

Advisory Timeline

  • Published