CVE-2018-25411: M-Gb Mgb Opensource Guestbook

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

MGB OpenSource Guestbook 0.7.0.2 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the 'id' parameter. Attackers can send GET requests to email.php with crafted SQL payloads in the 'id' parameter to extract sensitive database information including table and column names.

Affected products

• M-Gb Mgb Opensource Guestbook: version 0.7.0.2 only

Published 2026-05-30. Last modified 2026-07-22.