Description
Editor Arbitrary File Upload in Mailster <= 4.1.17 versions.
Published: 2026-07-23
Score: 9.1 Critical
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

Vendor Solution

Update the WordPress Mailster Plugin to the latest available version (at least 4.1.18).

Tracking

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Advisories

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History

Thu, 23 Jul 2026 11:45:00 +0000

Type Values Removed Values Added
Description Editor Arbitrary File Upload in Mailster <= 4.1.17 versions.
Title WordPress Mailster plugin <= 4.1.17 - Arbitrary File Upload vulnerability
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: Patchstack

Published:

Updated: 2026-07-23T11:32:38.106Z

Reserved: 2026-02-17T13:23:42.767Z

Link: CVE-2026-27064

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-434

    Unrestricted Upload of File with Dangerous Type