UpHeron
All vulnerabilities

WordPress core

CVE-2017-5493

wp-includes/ms-functions.php in the Multisite WordPress API in WordPress before 4.7.1 does not properly choose random numbers for keys, which makes it easier for remote attackers to bypass intended access restrictions via a crafted (1) site signup or (2) user signup.

Severity
High 7.5
Published
15 Jan 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 4.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-5493
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-5493