What is CVE-2023-27757?

CVE-2023-27757 is a critical-severity vulnerability in Perfree Perfreeblog, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-03-15.

How severe is CVE-2023-27757?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Arbitrary file upload in Perfree Perfreeblog

CVE-2023-27757

An arbitrary file upload vulnerability in the /admin/user/uploadImg component of PerfreeBlog v3.1.1 allows attackers to execute arbitrary code via a crafted JPG file.

Vulnerability class: Unrestricted File Upload

EPSS: 0.009 (57.1th 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

Perfree Perfreeblog — versions 3.1.1
N/a — versions n/a

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

cve@mitre.org (Exploit, Issue Tracking)

Frequently asked questions

What is CVE-2023-27757?: CVE-2023-27757 is a critical-severity vulnerability in Perfree Perfreeblog, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-03-15.
How severe is CVE-2023-27757?: Critical severity. CVSS v3 base score is 9.8 out of 10.