CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
What the vulnerability does
The WPCOM Member plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including, 1.7.5. This is due to insufficient verification on the 'user_phone' parameter when logging in. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if SMS login is enabled.
Explanation of Vulnerability in Simple Terms
WPCOM Member versions 1.7.5 and earlier contain an authentication bypass vulnerability. An attacker can gain unauthorized access to the plugin without valid credentials. The vulnerability affects all confidentiality, integrity, and availability of the affected system. Sites running vulnerable versions should update immediately.
What an attacker can do
Gain unauthorized access to the plugin and read, modify, or delete data without valid credentials.
Potential impact on your site
Attackers can fully compromise the plugin's functionality and access sensitive user data without logging in.
Conditions required to exploit
Network access only; no authentication, user interaction, or special configuration required.
Key dates
External resources
Related vulnerabilities
