CVE-2017-20245: Wow-Company Wow Viral Signups

High severity, CVSS 8.2. EPSS: 0.3% chance of exploitation in the next 30 days.

Wow Viral Signups 2.1 WordPress plugin contains an SQL injection vulnerability that allows unauthenticated attackers to extract database information by exploiting the unescaped 'idsignup' POST parameter. Attackers can send crafted requests to the admin-ajax.php endpoint with malicious SQL payloads in the 'idsignup' parameter to read arbitrary data from the database.

Affected products

• Wow-Company Wow Viral Signups: version 2.1 only

Published 2026-06-09. Last modified 2026-07-21.