Description
WordPress is prone to a possible security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently reset user's password and gain unauthorized access to their WordPress account. WordPress versions ranging from 0.70 and up to (and including) 4.7.4 are vulnerable.
Remediation
As a temporary solution users can enable UseCanonicalName to enforce static SERVER_NAME value, or see the referenced patch
References
https://exploitbox.io/vuln/WordPress-Exploit-4-7-Unauth-Password-Reset-0day-CVE-2017-8295.html
https://www.exploit-db.com/exploits/41963/
https://gist.github.com/Neo23x0/9555f052c4e222043e6d8a44e34f5455
Related Vulnerabilities
WordPress 4.3.x Multiple Vulnerabilities (4.3 - 4.3.17)
Plone CMS Permissions, Privileges, and Access Controls Vulnerability (CVE-2012-5489)
WordPress Plugin Greenshift-animation and page builder blocks Cross-Site Scripting (4.8.8)
WordPress Plugin Google AdSense Click-Fraud Monitoring Cross-Site Scripting (1.8.6)