CVE-2023-27757

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-434

Affected software

No affected versions have been published.

Timeline

Published
Mar 15, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2023-27757: Critical severity, CVSS 9.8 | Vulnix