CVE-2023-27757 File upload in n/a

Critical 9.8 Published 15 Mar 2023 Updated 27 Feb 2025

Attackers can execute arbitrary code by uploading a crafted JPG file to the admin user upload component.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-27757?

CVE-2023-27757 is a critical vulnerability in n/a, published on 15 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-434

Which versions are affected by CVE-2023-27757?

It affects 1 product.

Products include Perfree Perfreeblog.

How do I fix CVE-2023-27757?

No fix has been published for CVE-2023-27757 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-27757 being exploited?

There is no known exploitation of CVE-2023-27757 in the wild and no public exploit code.

Sources

Also known as GHSA-hc99-gx4v-68qh.