Vulnerability · Published Oct 19, 2026 · Assigned by Patchstack
CVE-2026-111829WordPress WP Mailster plugin <= 1.9.1.0 - Local File Inclusion vulnerability
Medium 6.5
In plain English
A medium-severity security flaw in WP Mailster from WP Mailster. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 74.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WP Mailster | WP Mailster | 0 – through 1.9.1.0 |
Weakness: CWE-98 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N