CVE-2023-30333: Perfree Perfreeblog

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

An arbitrary file upload vulnerability in the component /admin/ThemeController.java of PerfreeBlog v3.1.2 allows attackers to execute arbitrary code via a crafted file.

Affected products

• Perfree Perfreeblog: version 3.1.2 only

Published 2023-05-18. Last modified 2026-06-17.