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

Vanilla Forums Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Vulnerability (CVE-2019-9889)

WordPress Plugin vSlider Multi Image Slider for WordPress Multiple Vulnerabilities (4.1.2)

IBM RTC Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2015-4962)

WordPress Plugin Simplelife Cross-Site Request Forgery (1.2)

WordPress Plugin Frontend Uploader Cross-Site Scripting (1.3.2)

Severity

High

Classification

CVE-2017-8295 CWE-264 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Tags

Missing Update Authentication Bypass