CVE-2026-42750 MEDIUM

CVE-2026-42750: WordPress WPComplete plugin <= 2.9.5.4 - Cross Site Scripting (XSS) vulnerability

Vendor Nexcess
Product WPComplete
Weakness CWE-79 · XSS
Published May 27, 2026
Last update May 27, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/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 Nexcess WPComplete wpcomplete allows Stored XSS.This issue affects WPComplete: from n/a through <= 2.9.5.4.

Explanation of Vulnerability in Simple Terms

02Summary

WPComplete versions up to 2.9.5.4 contain a cross-site scripting vulnerability that allows authenticated users to inject malicious scripts. An attacker with low-level site access can craft a request that executes JavaScript in other users' browsers, potentially compromising their sessions or stealing data. The vulnerability requires user interaction and affects the integrity and confidentiality of site data.

What an attacker can do

03Attacker Capabilities

Inject JavaScript that runs in other users' browsers to steal session tokens or perform actions on their behalf.

Potential impact on your site

04Site Impact

Authenticated users' accounts and data are at risk if they interact with attacker-controlled content; session hijacking is possible.

Conditions required to exploit

05Prerequisites

Attacker needs a low-privilege account on the site and must trick a user into clicking a malicious link or visiting a crafted page.

Key dates

06Disclosure timeline

May 27, 2026 CVE published
May 27, 2026 Record updated

Related vulnerabilities

08Related CVE