VulnerabilityAnalyzed

CVE-2025-63918

PDFPatcher executable does not validate user-supplied file paths, allowing directory traversal attacks allowing attackers to upload arbitrary files to arbitrary locations.

MEDIUM 6.2EPSS 0.40%

Does this matter?

Lower severity and a low EPSS score (0.40%). Track it; it rarely justifies an emergency change on its own.

Description

PDFPatcher executable does not validate user-supplied file paths, allowing directory traversal attacks allowing attackers to upload arbitrary files to arbitrary locations.

CVSS 3.1: 6.2 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS: 0.40% probability · 33th percentile
CISA KEV: Not listed
Weakness: CWE-22
Affected: cnblogs/pdfpatcher
Source: cve@mitre.org

References

https://github.com/cydtseng/Vulnerability-Research/blob/main/pdfpatcher/DirectoryTraversal-ImageExport.mdExploit, Third Party Advisory
https://github.com/wmjordan/PDFPatcherProduct
https://www.cnblogs.com/pdfpatcherProduct

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.