{"id":"CVE-2025-63917","details":"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.","modified":"2026-03-13T03:40:56.755096Z","published":"2025-11-17T17:15:51.207Z","references":[{"type":"PACKAGE","url":"https://github.com/wmjordan/PDFPatcher"},{"type":"ARTICLE","url":"https://www.cnblogs.com/pdfpatcher"},{"type":"EVIDENCE","url":"https://github.com/cydtseng/Vulnerability-Research/blob/main/pdfpatcher/XXE-Importers.md"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"1.1.3.4663"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-63917.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L"}]}