Is CVE-2023-39505 actively exploited?

No active exploitation of CVE-2023-39505 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-39505 be exploited remotely?

No. CVE-2023-39505 requires local access to exploit.

What is the CVSS score of CVE-2023-39505?

CVE-2023-39505 has a CVSS score of 5.5 (MEDIUM).

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MEDIUM

CVE-2023-39505

CWE-749Published: May 3, 2024· Updated: Jun 17, 2026

5.5

CVSS v3.1

Official Description

PDF-XChange Editor Net.HTTP.requests Exposed Dangerous Function Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information 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 Net.HTTP.requests method. The issue results from the exposure of a dangerous function. An attacker can leverage this vulnerability to disclose information in the context of the current user. Was ZDI-CAN-20211.

NVD Source

Technical Analysis

CVE-2023-39505 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 5.5.