CVE-2013-6839: Instantsoft Instantcms

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

SQL injection vulnerability in InstantSoft InstantCMS 1.10.3 and earlier allows remote attackers to execute arbitrary SQL commands via the orderby parameter to catalog/[id].

Affected products

• Instantsoft Instantcms: up to and including 1.10.3

Published 2013-12-13. Last modified 2026-06-17.