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CVE-2017-17091

HIGH 8.8 CVSS 3.0
Published
December 2, 2017
Last modified
June 17, 2026
NVD status
Modified
Reported by
cve@mitre.org
Weakness
CWE-330
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

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.

Affected WordPress components

  • WordPress core
    Confirmed match
    Up to and including 4.9

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • n/a n/a — Versions not specified
  • wordpress wordpress — Up to and including 4.9

References

  • www.securityfocus.com http://www.securityfocus.com/bid/102024 Third Party Advisory, VDB Entry
  • codex.wordpress.org https://codex.wordpress.org/Version_4.9.1 Patch, Release Notes
  • github.com https://github.com/WordPress/WordPress/commit/eaf1cfdc1fe0bdffabd8d879c591b864d833326c Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2017/12/msg00019.html
  • wordpress.org https://wordpress.org/news/2017/11/wordpress-4-9-1-security-and-maintenance-release/ Release Notes
  • wpvulndb.com https://wpvulndb.com/vulnerabilities/8969 Third Party Advisory, VDB Entry
  • www.debian.org https://www.debian.org/security/2018/dsa-4090
  • nvd.nist.gov Official NVD record