CVE-2025-39538

WordPress WP-Advanced-Search plugin <= 3.3.9.4 - Arbitrary File Upload Vulnerability

6.6 MediumPublic exploit

Unrestricted Upload of File with Dangerous Type vulnerability in Mathieu Chartier WP-Advanced-Search wp-advanced-search allows Upload a Web Shell to a Web Server.This issue affects WP-Advanced-Search: from n/a through <= 3.3.9.4.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.50%Up 0.5 points since Apr 17, 2025

What each source reports

CVE List Score used 6.6

WordPress WP-Advanced-Search plugin <= 3.3.9.4 - Arbitrary File Upload Vulnerability

Record: CVE-2025-39538
CVSS 3.1: 6.6 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
Weakness: CWE-434
Updated: 2026-11-02

EUVDEUVD-2025-11333 6.6

Record: EUVD-2025-11333
CVSS 3.1: 6.6 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-62fp-h6c8-g6f9 6.6

Unrestricted Upload of File with Dangerous Type vulnerability in Mathieu Chartier WP-Advanced...

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.

Record: GHSA-62fp-h6c8-g6f9
CVSS 3.1: 6.6 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
Weakness: CWE-434
Updated: 2026-11-02

NVD 6.6

Record: CVE-2025-39538
CVSS 3.1: 6.6 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
Weakness: CWE-434
Updated: 2026-11-02

Affected products

mathieu chartier wp-advanced-search

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	Nxploited/CVE-2025-39538	2025-04-30

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-39538 is a medium vulnerability (CVSS 6.6) in Mathieu Chartier Wp-advanced-search, published April 16, 2025. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.50%, the 43rd percentile. No source names a fixed version.