CVE-2026-73995 MEDIUM

CVE-2026-73995: WordPress User Registration plugin <= 5.2.6 - Broken Authentication vulnerability

Vendor Wpeverest
Product User Registration
Weakness CWE-290
Published August 18, 2026
Last update August 18, 2026

CVSS base score

5.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

What the vulnerability does

01Description

Subscriber Broken Authentication in User Registration <= 5.2.6 versions.

Explanation of Vulnerability in Simple Terms

02Summary

User Registration for WordPress contains an authentication bypass vulnerability that allows attackers with low-level access to modify data or disrupt site functionality. The flaw stems from insufficient identity verification in the authentication mechanism. Attackers can spoof credentials to bypass normal login checks. Update to a version newer than 5.2.6 to remediate.

What an attacker can do

03Attacker Capabilities

Bypass authentication checks and modify site data or cause service disruption.

Potential impact on your site

04Site Impact

Authenticated users with low privileges could alter content or disable features without proper authorization.

Conditions required to exploit

05Prerequisites

Attacker must have low-level user account access to the site.

Key dates

06Disclosure timeline

August 18, 2026 CVE published
August 18, 2026 Record updated

Related vulnerabilities

08Related CVE