All vulnerabilities

WordPress core

CVE-2017-17091

wp-admin/user-new.php in WordPress before 4.9.1 sets the newbloguser key to a string that can be directly derived from the user ID, which allows remote attackers to bypass intended access restrictions by entering this string.

Severity
High 8.8
Published
2 Dec 2017
Last changed
17 Jun 2026
Added to UpHeron
17 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
WordPressWordPress core · cpe:a:wordpress:wordpress
  • Every version up to 4.9

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-17091
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-17091