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TI-2023-09477 Aliases CVE-2023-23656GHSA-435f-c6p4-58h8

WordPress MainWP File Uploader Extension Plugin <= 4.1 - Unauthenticated Arbitrary File Upload Vulnerability

Priority MEDIUM 50CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
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 MainWP MainWP File Uploader Extension.This issue affects MainWP File Uploader Extension: from n/a through 4.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00809 57th 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
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MainWPMainWP File Uploader Extensionup to 4.1—No fix listedCNA
  • MainWP File Uploader Extension VendorMainWP Affected up to 4.1 Fixed in — No fix listed CNA

CPE names CISA-ADP · 1

CPEVersionsRoleVendor
cpe:2.3:a:mainwp:mainwp_file_uploader_extension:*:*:*:*:*:*:*:*——MainWP
  • cpe:2.3:a:mainwp:mainwp_file_uploader_extension:*:*:*:*:*:*:*:* Versions — — ·MainWP

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-23656
  2. 2026-10-03 Alias added: GHSA-435f-c6p4-58h8

References

Other 1

  • TI-2023-09550 WordPress MainWP Broken Links Checker Extension Plugin <= 4.0 is vulnerable to SQL Injection CVSS 3.1CRITICAL 9.8
  • TI-2023-09470 Code injection in MainWP Code Snippets Extension CVSS 3.1CRITICAL 9.9
  • TI-2024-09995 MainWP Child <= 5.3.3 - Missing Authorization to Unauthenticated Privilege Escalation CVSS 3.1HIGH 8.1
  • TI-2026-69632 Object injection in MainWP Child WordPress plugin CVSS 3.1HIGH 8.8
  • TI-2023-09480 WordPress MainWP Maintenance Extension Plugin <= 4.1.1 is vulnerable to SQL Injection CVSS 3.1HIGH 8.8
  • TI-2023-09475 WordPress MainWP Google Analytics Extension Plugin <= 4.0.4 - SQL Injection vulnerability CVSS 3.1HIGH 8.8
See all 24 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences