What is CVE-2025-63918?

CVE-2025-63918 is a medium-severity vulnerability in Cnblogs Pdfpatcher, classified under Path Traversal. CVSS score: 6.2/10. Published 2025-11-17.

How severe is CVE-2025-63918?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Path Traversal in Cnblogs Pdfpatcher

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.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.004 (31.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Cnblogs Pdfpatcher
N/a — versions n/a

Weakness classification (CWE)

CWE-22 — Path Traversal

References

cve@mitre.org (Product)
cve@mitre.org (Product)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-63918?: CVE-2025-63918 is a medium-severity vulnerability in Cnblogs Pdfpatcher, classified under Path Traversal. CVSS score: 6.2/10. Published 2025-11-17.
How severe is CVE-2025-63918?: Medium severity. CVSS v3 base score is 6.2 out of 10.