Arbitrary file upload in Perfree Perfreeblog

CVE-2023-30333

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.

Vulnerability class: Unrestricted File Upload

EPSS: 0.009 (57.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-30333?
CVE-2023-30333 is a critical-severity vulnerability in Perfree Perfreeblog, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-05-18.
How severe is CVE-2023-30333?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-30333 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.