CVE-2023-3375 Unrestricted File Upload in Bookreen

High 7.2 Published 5 Sep 2023 Updated 22 May 2026

Attackers can upload malicious files to execute arbitrary OS commands on the Bookreen web application.

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

What is CVE-2023-3375?

CVE-2023-3375 is a high-severity vulnerability in Unisign Bookreen, published on 5 Sep 2023. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Unrestricted Upload of File with Dangerous Type vulnerability in Unisign Bookreen allows OS Command Injection.

This issue affects Bookreen: before 3.0.0.

Weakness: CWE-434

Which versions are affected by CVE-2023-3375?

It affects 1 product.

Products include Bookreen Bookreen.

How do I fix CVE-2023-3375?

No fix has been published for CVE-2023-3375 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-3375 being exploited?

There is no known exploitation of CVE-2023-3375 in the wild and no public exploit code.

CVE-2023-3374 Privilege Escalation in Bookreen Critical 9.8

Sources

Also known as GHSA-4w9x-x528-24m9.