Rapid7

vulnerability

Wordpress: CVE-2017-5493: Cryptographic Issues

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
Jan 14, 2017
Added
May 16, 2017
Modified
Mar 30, 2026

Description

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.

Solution

wordpress-upgrade-4_7_1
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.