CVE-2016-9026: Exponentcms Exponent CMS

Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days.

Exponent CMS before 2.6.0 has improper input validation in fileController.php.

Affected products

• Exponentcms Exponent CMS: before 2.6.0 (fixed in 2.6.0)

Published 2020-12-31. Last modified 2026-06-17.