CVEvulnerability
CVE-2025-63917
7.1 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2025-11-17
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L
- Weaknesses
- CWE-611
Description
PDFPatcher thru 1.1.3.4663 executable's XML bookmark import functionality does not restrict XML external entity (XXE) references. The application uses .NET's XmlDocument class without disabling external entity resolution, enabling attackers to: Read arbitrary files from the victim's filesystem, exfiltrate sensitive data via out-of-band (OOB) HTTP requests, perform SSRF attacks against internal network resources, or cause a denial of service via entity expansion attacks.
Affected configurations
• cnblogs pdfpatcher (<= 1.1.3.4663)
Related
Weakness · CWE (1)
- CWE-611 Improper Restriction of XML External Entity Reference weakness
References
- https://github.com/cydtseng/Vulnerability-Research/blob/main/pdfpatcher/XXE-Importers.md Exploit, Third Party Advisory
- https://github.com/wmjordan/PDFPatcher Product
- https://www.cnblogs.com/pdfpatcher Product