CVE-2026-111829 PUBLISHED

WordPress WP Mailster plugin <= 1.9.1.0 - Local File Inclusion vulnerability

Assigner: Patchstack
Reserved: 17.10.2026 Published: 19.10.2026 Updated: 19.10.2026

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in WP Mailster WP Mailster wp-mailster allows PHP Local File Inclusion.This issue affects WP Mailster: from n/a through 1.9.1.0.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS Score: 6.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	WP Mailster
Product	WP Mailster
Versions	Default: unaffected affected from 0 to 1.9.1.0 (incl.)

Solutions

Update the WordPress WP Mailster plugin to the latest available version (at least 1.9.2.0).

Credits

V1T | Patchstack Bug Bounty Program finder

References

https://patchstack.com/database/wordpress/plugin/wp-mailster/vulnerability/wordpress-wp-mailster-plugin-1-9-1-0-local-file-inclusion-vulnerability?_s_id=cve

Problem Types

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') CWE

Impacts

PHP Local File Inclusion