What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in GLS GLS Shipping for WooCommerce gls-shipping-for-woocommerce allows Reflected XSS.This issue affects GLS Shipping for WooCommerce: from n/a through <= 1.4.0.
Explanation of Vulnerability in Simple Terms
02Summary
GLS Shipping for WooCommerce versions 1.4.0 and earlier contain a cross-site scripting (XSS) vulnerability. An attacker can inject malicious scripts that execute in the browsers of site visitors or administrators. The vulnerability requires user interaction—typically clicking a malicious link—and can affect multiple users across the site. Update to a version newer than 1.4.0 to resolve this issue.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that run in visitors' browsers, stealing session tokens, credentials, or performing actions on their behalf.
Potential impact on your site
04Site Impact
Visitors and admins could have their sessions hijacked, credentials stolen, or be redirected to phishing sites without your knowledge.
Conditions required to exploit
05Prerequisites
No authentication required. Victim must click a malicious link or visit an attacker-controlled page that triggers the vulnerability.
Key dates
06Disclosure timeline
January 22, 2026
CVE published
April 28, 2026
Record updated