CVE-2017-17091

moderate-risk
Published 2017-12-02

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.

Do I need to act?

~
4.5% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Wordpress

References (14)

Third Party Advisory http://www.securityfocus.com/bid/102024
Patch https://codex.wordpress.org/Version_4.9.1
Patch https://github.com/WordPress/WordPress/commit/eaf1cfdc1fe0bdffabd8d879c591b864d8...
https://lists.debian.org/debian-lts-announce/2017/12/msg00019.html
Release Notes https://wordpress.org/news/2017/11/wordpress-4-9-1-security-and-maintenance-rele...
Third Party Advisory https://wpvulndb.com/vulnerabilities/8969
https://www.debian.org/security/2018/dsa-4090
Third Party Advisory http://www.securityfocus.com/bid/102024
Patch https://codex.wordpress.org/Version_4.9.1
Patch https://github.com/WordPress/WordPress/commit/eaf1cfdc1fe0bdffabd8d879c591b864d8...
https://lists.debian.org/debian-lts-announce/2017/12/msg00019.html
Release Notes https://wordpress.org/news/2017/11/wordpress-4-9-1-security-and-maintenance-rele...
Third Party Advisory https://wpvulndb.com/vulnerabilities/8969
https://www.debian.org/security/2018/dsa-4090
43
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 8/34 · Low
Exposure 5/34 · Minimal