What is the CVSS score of CVE-2025-63918?

CVE-2025-63918 has a CVSS 3.1 base score of 6.2 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N. EPSS exploitation probability: 0.3%.

Which versions of Pdfpatcher are affected by CVE-2025-63918?

CVE-2025-63918 presents moderate security risk, a path traversal vulnerability rated CVSS 6.2. This could allow unauthorized file access. Proof-of-concept code is publicly available.

Is there a public PoC exploit available for CVE-2025-63918?

Yes, a public proof-of-concept exploit is available for CVE-2025-63918. Prioritise patching immediately. EPSS: 0.3%.

How to fix or mitigate CVE-2025-63918?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Review file handling controls.

Pdfpatcher CVE-2025-63918

MEDIUM

Path Traversal (CWE-22)

2025-11-17 cve@mitre.org

Path Traversal Pdfpatcher

6.2

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.2 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:22 vuln.today

PoC Detected

Jan 08, 2026 - 17:18 vuln.today

Public exploit code

CVE Published

Nov 17, 2025 - 17:15 nvd

MEDIUM 6.2

DescriptionCVE.org

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

AnalysisAI

PDFPatcher executable does not validate user-supplied file paths, allowing directory traversal attacks allowing attackers to upload arbitrary files to arbitrary locations. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. PDFPatcher executable does not validate user-supplied file paths, allowing directory traversal attacks allowing attackers to upload arbitrary files to arbitrary locations. Affected products include: Cnblogs Pdfpatcher.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.