What is the CVSS score of CVE-2025-46490?

CVE-2025-46490 has a CVSS 3.1 base score of 9.9 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H. EPSS exploitation probability: 0.3%.

How to fix or mitigate CVE-2025-46490?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Review file handling controls and restrict upload directories.

CVE-2025-46490

CRITICAL

Unrestricted Upload of File with Dangerous Type (CWE-434)

2025-05-23 audit@patchstack.com

File Upload

9.9

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.9 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Re-analysis Queued

Apr 23, 2026 - 15:42 vuln.today

cvss_changed

Analysis Generated

Mar 28, 2026 - 18:43 vuln.today

CVE Published

May 23, 2025 - 13:15 nvd

CRITICAL 9.9

DescriptionCVE.org

Unrestricted Upload of File with Dangerous Type vulnerability in wordwebsoftware Crossword Compiler Puzzles allows Upload a Web Shell to a Web Server. This issue affects Crossword Compiler Puzzles: from n/a through 5.2.

AnalysisAI

Unrestricted Upload of File with Dangerous Type vulnerability in wordwebsoftware Crossword Compiler Puzzles allows Upload a Web Shell to a Web Server.2. Rated critical severity (CVSS 9.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. Unrestricted Upload of File with Dangerous Type vulnerability in wordwebsoftware Crossword Compiler Puzzles allows Upload a Web Shell to a Web Server.2. Version information: through 5.2..

Affected ProductsAI

See vendor advisory for affected versions.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.