CVE-2025-49963 HIGH

CVE-2025-49963: WordPress Simple Stripe Checkout plugin <= 1.1.28 - Cross Site Scripting (XSS) vulnerability

Vendor Growniche
Product Simple Stripe Checkout
Weakness CWE-79 · XSS
Published October 22, 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 growniche Simple Stripe Checkout simple-stripe-checkout allows Reflected XSS.This issue affects Simple Stripe Checkout: from n/a through <= 1.1.28.

Explanation of Vulnerability in Simple Terms

02Summary

Simple Stripe Checkout versions 1.1.28 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into the application. An attacker can craft a malicious link that, when visited by a user, executes arbitrary JavaScript in their browser. This can lead to session hijacking, credential theft, or unauthorized actions performed on behalf of the victim.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in a user's browser to steal session data, credentials, or perform unauthorized actions.

Potential impact on your site

04Site Impact

Users visiting malicious links could have their sessions compromised or personal data stolen through injected scripts.

Conditions required to exploit

05Prerequisites

Attacker must trick a user into clicking a malicious link or visiting a crafted page (user interaction required).

Key dates

06Disclosure timeline

October 22, 2025 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE