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URL Redirection to Untrusted Site ('Open Redirect')

CVE-2021-21338

Medium
6.1/10

Summary

TYPO3 is an open source PHP based web content management system. In TYPO3 versions through 6.2.56, 7.0.0 through 7.6.50, 8.0.0 through 8.7.39, 9.0.0 through 9.5.24, 10.0.0 through 10.4.13, 11.0.0 through 11.1.0 it has been discovered that Login Handling is susceptible to open redirection which allows attackers redirecting to arbitrary content, and conducting phishing attacks. No authentication is required in order to exploit this vulnerability.

  • 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