CVE-2016-7791: Exponentcms Exponent CMS

Critical severity, CVSS 9.8. EPSS: 3.9% chance of exploitation in the next 30 days.

Exponent CMS 2.3.9 suffers from a remote code execution vulnerability in /install/index.php. An attacker can upload an evil 'exploit.tar.gz' file to the website, then extract it by visiting '/install/index.php?install_sample=../../files/exploit', which leads to arbitrary code execution.

Affected products

• Exponentcms Exponent CMS: version 2.3.9 only

Published 2017-01-12. Last modified 2026-06-17.