What is the CVSS score of CVE-2025-39538?

CVE-2025-39538 has a CVSS 3.1 base score of 6.6 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L. EPSS exploitation probability: 0.3%.

Which versions of Mathieu Chartier WP-Advanced-Search are affected by CVE-2025-39538?

CVE-2025-39538 presents notable security risk, a unrestricted file upload vulnerability rated CVSS 6.6. This could allow unauthorized file access.

How to fix or mitigate CVE-2025-39538?

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

Mathieu Chartier WP-Advanced-Search CVE-2025-39538

MEDIUM

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

2025-04-16 audit@patchstack.com

File Upload

6.6

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.6 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:37 vuln.today

CVE Published

Apr 16, 2025 - 13:15 nvd

MEDIUM 6.6

DescriptionCVE.org

Unrestricted Upload of File with Dangerous Type vulnerability in Mathieu Chartier WP-Advanced-Search allows Upload a Web Shell to a Web Server. This issue affects WP-Advanced-Search: from n/a through 3.3.9.3.

AnalysisAI

Unrestricted Upload of File with Dangerous Type vulnerability in Mathieu Chartier WP-Advanced-Search allows Upload a Web Shell to a Web Server.3.9.3. Rated medium severity (CVSS 6.6), 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 Mathieu Chartier WP-Advanced-Search allows Upload a Web Shell to a Web Server.3.9.3. Version information: through 3.3.9.3..

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.