Editor Arbitrary File Upload in Mailster <= 4.1.17 versions.

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Advisories

No advisories yet.

Fixes

Solution

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


Workaround

No workaround given by the vendor.

History

Thu, 23 Jul 2026 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Everpress
Everpress mailster
Wordpress
Wordpress wordpress
Vendors & Products Everpress
Everpress mailster
Wordpress
Wordpress wordpress
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Patchstack

Published:

Updated: 2026-07-23T15:02:08.355Z

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

Link: CVE-2026-27064

cve-icon Vulnrichment

Updated: 2026-07-23T15:02:00.473Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-23T20:10:51Z

Weaknesses