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VULNERABILITIES

CVE-2017-5493 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://codex.wordpress.org/Version_4.7.1 CVERelease NotesVendor Advisory
https://github.com/WordPress/WordPress/commit/cea9e2dc62abf777e06b12ec4ad9d1aaa49b29f4 CVEPatch
https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/ CVEVendor Advisory
https://wpvulndb.com/vulnerabilities/8721 CVE
http://www.debian.org/security/2017/dsa-3779 CVE

see all 16 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-338Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)[email protected]

Affected Products

ProductVersions
wordpress wordpress
<= 4.7

CPE

  • cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

10 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2017-5493
NVD Published Date:
Jan 15, 2017
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]