CVE-2026-9421

High severity, CVSS 7.3. EPSS: 0.5% chance of exploitation in the next 30 days.

A vulnerability was determined in KLiK SocialMediaWebsite 1.0. This vulnerability affects the function uniqid of the file upload.inc.php of the component File Handler. This manipulation causes unrestricted upload. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized.

Published 2026-05-25. Last modified 2026-07-23.