CVE-2025-39407 HIGH

CVE-2025-39407: WordPress Memberpress plugin < 1.12.0 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Caseproof, Llc
Product Memberpress
Weakness CWE-79 · XSS
Published May 19, 2025
Last update April 28, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Caseproof, LLC Memberpress allows Reflected XSS.This issue affects Memberpress: from n/a before 1.12.0.

Explanation of Vulnerability in Simple Terms

02Summary

MemberPress contains a cross-site scripting (XSS) vulnerability that allows an attacker to inject malicious scripts into the site. The vulnerability requires user interaction—a victim must visit a crafted link or page. When triggered, the attacker can steal session cookies, redirect users, or deface content. The impact extends beyond the vulnerable component to affect other parts of the site.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in visitors' browsers, stealing cookies or redirecting users.

Potential impact on your site

04Site Impact

Visitors' sessions can be compromised; site content can be defaced or users redirected to phishing pages.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

May 19, 2025 CVE published
April 28, 2026 Record updated