CVE-2017-5491: Medium severity WordPress vulnerability
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
wordpress/wp-mail.phpto a version that resolves this vulnerability.Fixed in 4.7.1 - Upgrade
Upgrade
WordPressto a version that resolves this vulnerability.Fixed in 4.7.1
Event History
Frequently Asked Questions
What is the severity of CVE-2017-5491?
CVE-2017-5491 has been rated as a medium severity vulnerability.
How do I fix CVE-2017-5491?
To fix CVE-2017-5491, upgrade WordPress to version 4.7.1 or higher.
What are the potential impacts of CVE-2017-5491?
CVE-2017-5491 may allow remote attackers to bypass posting restrictions and exploit the WordPress site.
Which versions of WordPress are affected by CVE-2017-5491?
WordPress versions prior to 4.7.1 are affected by CVE-2017-5491.
Is CVE-2017-5491 related to email functionality in WordPress?
Yes, CVE-2017-5491 involves a vulnerability in the wp-mail.php script that can be exploited via email.