Local File Inclusion Vulnerability in WP Mailster by WordPress
CVE-2026-111829

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
WP Mailster
Vendor
CVE Published:
19 October 2026

What is CVE-2026-111829?

The vulnerability in WP Mailster stems from improper control over filename inclusion in PHP scripts. This can lead to potential Remote File Inclusion (RFI) attacks, where an attacker may exploit this flaw to execute arbitrary PHP code on vulnerable WordPress sites. The affected versions are prone to issues that can compromise server security, exposing sensitive data and potentially leading to further exploits.

Affected Version(s)

WP Mailster 0 <= 1.9.1.0

References

https://patchstack.com/database/wordpress/plugin/wp-mails...
vdb-entry

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

V1T | Patchstack Bug Bounty Program
.