CVE-2023-39493 PDF-XChange Editor exportAsText Exposed Dangerous Method Remote Code Execution Vulnerability

High 7.8 Published 3 May 2024 Updated 2 Aug 2024

Remote attackers can execute arbitrary code via a dangerous JavaScript interface in PDF-XChange Editor by tricking users into opening malicious files.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2023-39493?

CVE-2023-39493 is a high-severity code injection vulnerability in Pdf-Xchange Pdf-Tools, published on 3 May 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

PDF-XChange Editor exportAsText Exposed Dangerous Method Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PDF-XChange Editor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the exportAsText method. The application exposes a JavaScript interface that allows writing arbitrary files. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-19649.

Weakness: CWE-749

Which versions are affected by CVE-2023-39493?

It affects 2 products.

Products include Pdf-Xchange Pdf-Tools, Pdf-Xchange Pdf-Xchange Editor.

How do I fix CVE-2023-39493?

No fix has been published for CVE-2023-39493 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2023-39493 being exploited?

There is no known exploitation of CVE-2023-39493 in the wild and no public exploit code.

All Pdf-Xchange Pdf-Tools vulnerabilities

Sources

Also known as GHSA-phvq-jrfx-8jhp.