CVE-2017-17091

Published: Dec 2, 2017Modified: May 13, 2026

8.8

Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 5.9

Source: NVD

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 (1)

Products: Wordpress: Wordpress

Wordpress

1 product

Wordpress

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Wordpress Wordpress	Up to 4.9

Related CWEs

CWE-330

Use of Insufficiently Random Values

The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.

References (14)

http://www.securityfocus.com/bid/102024

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

https://codex.wordpress.org/Version_4.9.1

Source: cve@mitre.org

PatchRelease Notes

https://github.com/WordPress/WordPress/commit/eaf1cfdc1fe0bdffabd8d879c591b864d833326c

Source: cve@mitre.org

Patch

https://lists.debian.org/debian-lts-announce/2017/12/msg00019.html

Source: cve@mitre.org

https://wordpress.org/news/2017/11/wordpress-4-9-1-security-and-maintenance-release/

Source: cve@mitre.org

Release Notes

https://wpvulndb.com/vulnerabilities/8969

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

https://www.debian.org/security/2018/dsa-4090

Source: cve@mitre.org

http://www.securityfocus.com/bid/102024