CVE-2025-63917

EUVD-2025-197810
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.1 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L
CISA-ADPADP
7.1 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 26%
Affected Products (NVD)
VendorProductVersion
cnblogspdfpatcher
𝑥
≤ 1.1.3.4663
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/cydtseng/Vulnerability-Research/blob/main/pdfpatcher/XXE-Importers.md
https://github.com/wmjordan/PDFPatcher
https://www.cnblogs.com/pdfpatcher