CVE-2017-17091
HIGH severity · CVSS 8.8 · CWE-330
8.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)3%
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://codex.wordpress.org/Version_4.9.1 ↗
Additional information
- NVD record
- https://codex.wordpress.org/Version_4.9.1Patch
- https://github.com/WordPress/WordPress/commit/eaf1cfdc1fe0bdffabd8d879c591b864d833326cPatch
- http://www.securityfocus.com/bid/102024Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00019.html
- https://wordpress.org/news/2017/11/wordpress-4-9-1-security-and-maintenance-release/
- https://wpvulndb.com/vulnerabilities/8969Advisory
- https://www.debian.org/security/2018/dsa-4090
- http://www.securityfocus.com/bid/102024Advisory