CVE-2026-111829: WordPress WP Mailster plugin <= 1.9.1.0 - Local File Inclusion vulnerability

Q: Who can exploit this issue?

The CVSS vector indicates that an attacker needs low-level privileges (PR:L) and can exploit it over the network without user interaction (AV:N/AC:L/UI:N).

Q: What is the potential impact if exploited?

The vulnerability can allow local file inclusion, with a high confidentiality impact (C:H). The provided scoring data does not indicate integrity or availability impact.

Q: Which versions are affected?

WP Mailster versions through 1.9.1.0 are affected. The supplied information does not identify a fixed version.

Published Oct 19, 2026

Updated

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.

Affected Software

1 affected component

WP Mailster WP Mailster<=1.9.1.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade WordPress WP Mailster to a version that resolves this vulnerability.
Fixed in 1.9.2.0

Event History

Oct 19, 2026

CVE Published

via MITRE·01:27 PM

Data Sourced

via MITRE·01:27 PM

RemedyDescriptionSeverityWeakness

Data Sourced

via NVD·02:17 PM

DescriptionSeverityWeakness

Frequently Asked Questions

Who can exploit this issue?

The CVSS vector indicates that an attacker needs low-level privileges (PR:L) and can exploit it over the network without user interaction (AV:N/AC:L/UI:N).

What is the potential impact if exploited?

The vulnerability can allow local file inclusion, with a high confidentiality impact (C:H). The provided scoring data does not indicate integrity or availability impact.

Which versions are affected?

WP Mailster versions through 1.9.1.0 are affected. The supplied information does not identify a fixed version.

CVE-2026-111829: WordPress WP Mailster plugin <= 1.9.1.0 - Local File Inclusion vulnerability

Affected Software

Remediation

Event History

Frequently Asked Questions

Who can exploit this issue?

What is the potential impact if exploited?

Which versions are affected?

Company

Resources

Contact

Frequently Asked Questions

Who can exploit this issue?

What is the potential impact if exploited?

Which versions are affected?