WordPress WP-Advanced-Search plugin <= 3.3.9.4 - Arbitrary File Upload Vulnerability
Priority LOW 30CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-434.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00499 43rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Mathieu Chartier | WP-Advanced-Search | up to 3.3.9.4 | — | No fix listed | CNA |
- WP-Advanced-Search VendorMathieu Chartier Affected up to 3.3.9.4 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-39538
- 2026-10-03 Alias added: GHSA-62fp-h6c8-g6f9
More Mathieu Chartier vulnerabilities
- TI-2025-23549 WordPress WP-Planification – WP-Planning plugin <= 2.3.1 - CSRF to Stored XSS vulnerability CVSS 3.1HIGH 7.1
Sources
- CVE-2025-39538 · CVE Program
- CVE-2025-39538 · NVD
- FIRST EPSS
- GHSA-62fp-h6c8-g6f9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences