What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPClever WPC Smart Messages for WooCommerce wpc-smart-messages allows Stored XSS.This issue affects WPC Smart Messages for WooCommerce: from n/a through <= 4.2.8.
Explanation of Vulnerability in Simple Terms
02Summary
WPC Smart Messages for WooCommerce versions up to 4.2.8 contain a stored cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in other users' browsers when they view affected pages. The vulnerability requires user interaction and can affect the confidentiality, integrity, and availability of the site.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that run in other users' browsers and steal data or perform actions on their behalf.
Potential impact on your site
04Site Impact
Site visitors and admins could have their sessions hijacked, data stolen, or be redirected to malicious sites by authenticated attackers.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege WordPress account and the victim must view a page containing the injected script.
Key dates
06Disclosure timeline
October 27, 2025
CVE published
April 28, 2026
Record updated