CVE-2019-16885: Okay-CMS Okaycms

Critical severity, CVSS 9.8. EPSS: 4.6% chance of exploitation in the next 30 days.

In OkayCMS through 2.3.4, an unauthenticated attacker can achieve remote code execution by injecting a malicious PHP object via a crafted cookie. This could happen at two places: first in view/ProductsView.php using the cookie price_filter, and second in api/Comparison.php via the cookie comparison.

Affected products

• Okay-CMS Okaycms: up to and including 2.3.4

Published 2019-12-03. Last modified 2026-06-17.