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Remote file upload vulnerability in mailcwp v1.99 wordpress plugin

Priority MEDIUM 47CWE-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 3.0 · NVD. Fix status from CNA. Impact type from CWE-434.

Summary

Remote file upload vulnerability in mailcwp v1.99 wordpress plugin

Why it matters now

EPSS 0.02969 87th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mailcwp_project:mailcwp:1.99:*:*:*:*:wordpress:*:*1.99VulnerableMailcwp Project
  • cpe:2.3:a:mailcwp_project:mailcwp:1.99:*:*:*:*:wordpress:*:* Versions 1.99 Vulnerable ·Mailcwp Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-1000000
  2. 2026-10-03 Alias added: GHSA-r4gc-v589-wcf9

References

  • TI-2016-09341 Mailcwp remote file upload vulnerability incomplete fix v1.100 CVSS 3.0CRITICAL 9.8

Sources