Name: CVE-2017-5491: Initialization of a Resource with an Insecure Default
Creator: Rapid7
Published: 2017-01-15T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2017-5491, CWE-1188, CVSS 5.3, EPSS 0.01622

wp-mail.php in WordPress before 4.7.1 might allow remote attackers to bypass intended posting restrictions via a spoofed mail server with the mail.example.com name.

CVSS Details

CVSS 3.0 Base Score: 5.3
CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Arch Linux	—	Upgrade to the latest version of Arch Linux	Jul 11, 2025	Jan 15, 2017
Debian	—	Upgrade wordpress	Feb 2, 2017	Jan 14, 2017
Freebsd	—	Upgrade de-wordpressUpgrade zh-wordpress-zh_CNUpgrade ja-wordpressUpgrade ru-wordpressUpgrade zh-wordpress-zh_TWUpgrade wordpress	Jan 15, 2017	Jan 15, 2017
Ubuntu	—	No solution exists	Jun 26, 2025	Jan 15, 2017
Wordpress	—	Upgrade Wordpress to version 4.7.1	May 16, 2017	Jan 14, 2017

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CVSS Details

Covered by Rapid7

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