SecuriTricks - CVE-2025-63917

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.

Product(s) Impacted

Vendor	Product	Versions
Pdfpatcher	Pdfpatcher	*

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-611

Improper Restriction of XML External Entity Reference

The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	pdfpatcher	pdfpatcher	/	/	/	/	/	/	/	/

References

https://github.com/cydtseng/Vulnerability-Research/blob/main/pdfpatcher/XXE-Importers.md

https://github.com/wmjordan/PDFPatcher

https://www.cnblogs.com/pdfpatcher

CVSS Score

7.1 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: NONE
Scope: UNCHANGED
Confidentiality Impact: HIGH
Integrity Impact: NONE
Availability Impact: LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L

View Vector String

Timeline

Published: Nov. 17, 2025, 5:15 p.m.
Last Modified: Nov. 18, 2025, 2:06 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

cve@mitre.org

CVE-2025-63917