CVE-2025-63917
Adobe PDFPatcher XXE Filesystem Disclosure and Exfiltration
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.
INFO
Published Date :
Nov. 17, 2025, 5:15 p.m.
Last Modified :
Nov. 17, 2025, 5:15 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-63917
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Configure XML parser to disable external entity resolution.
- Update the application to a secure version.
- Validate and sanitize all XML input.
- Avoid using XmlDocument class for untrusted input.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-63917.
| URL | Resource |
|---|---|
| https://github.com/cydtseng/Vulnerability-Research/blob/main/pdfpatcher/XXE-Importers.md | |
| https://github.com/wmjordan/PDFPatcher | |
| https://www.cnblogs.com/pdfpatcher |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-63917 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-63917
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-63917 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-63917 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Nov. 17, 2025
Action Type Old Value New Value Added 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. Added Reference https://github.com/cydtseng/Vulnerability-Research/blob/main/pdfpatcher/XXE-Importers.md Added Reference https://github.com/wmjordan/PDFPatcher Added Reference https://www.cnblogs.com/pdfpatcher