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 Ultimate Membership Pro plugin for WordPress is vulnerable to Authentication Bypass in versions between, and including, 7.3 to 8.6. This makes it possible for unauthenticated attackers to login as any user, including the site administrator with a default user ID of 1, via the username or user ID.
Explanation of Vulnerability in Simple Terms
Indeed Membership Pro versions 7.3 through 8.6.0 contain an authentication bypass vulnerability. An attacker can gain unauthorized access to the plugin without valid credentials. The flaw stems from improper authentication checks in the plugin's core logic. Sites running affected versions should update immediately to 8.6.1 or later.
What an attacker can do
Gain unauthorized access to the plugin and perform actions as an authenticated user without providing valid credentials.
Potential impact on your site
Attackers can access membership features, user data, and plugin functionality without logging in, compromising site security and user privacy.
Conditions required to exploit
Network access only; no authentication, user interaction, or special configuration required.
Key dates
External resources
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