CVE-2025-22311 HIGH

CVE-2025-22311: WordPress Private Messages for UserPro plugin <= 4.10.0 - Local File Inclusion vulnerability

Vendor Deluxethemes
Product Private Messages for UserPro
Weakness CWE-98 · PHP file inclusion
Published January 21, 2025
Last update April 28, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in DeluxeThemes Private Messages for UserPro userpro-messaging.This issue affects Private Messages for UserPro: from n/a through <= 4.10.0.

Explanation of Vulnerability in Simple Terms

02Summary

Private Messages for UserPro versions up to 4.10.0 contain a vulnerability that allows an attacker to read, modify, or delete private messages and user data. The attack requires the victim to click a malicious link or visit a crafted page. The vulnerability affects confidentiality, integrity, and availability of user messages and account information.

What an attacker can do

03Attacker Capabilities

Read, modify, or delete private messages and user data by tricking a site visitor into clicking a link.

Potential impact on your site

04Site Impact

User private messages and account data can be compromised without the site owner's knowledge or action.

Conditions required to exploit

05Prerequisites

Victim must click a malicious link or visit an attacker-controlled page; no authentication required.

Key dates

06Disclosure timeline

January 21, 2025 CVE published
April 28, 2026 Record updated