What’s Vulnerable › Vulnerabilities

CVE-2023-39505: PDF-XChange Editor Net.HTTP.requests Exposed Dangerous Function Information Disclosure Vulnerability

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-03 · updated 2026-06-17
• Weakness: CWE-749

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.

Affected products

• PDF-XChange Pdf-Tools: 9.5.366.0
• PDF-XChange Editor: 9.5.366.0

References

• https://www.zerodayinitiative.com/advisories/ZDI-23-1143/
• https://www.zerodayinitiative.com/advisories/ZDI-23-1143/

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