CVE-2023-5638 MEDIUM

CVE-2023-5638: Booster for WooCommerce <= 7.1.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode

Vendor Pluggabl
Product Booster for WooCommerce – PDF Invoices, Abandoned Cart, Variation Swatches & 100+ Tools
Weakness CWE-79 · XSS
Published October 19, 2023
Last update April 8, 2026

CVSS base score

6.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

The Booster for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'wcj_image' shortcode in versions up to, and including, 7.1.2 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Explanation of Vulnerability in Simple Terms

02Summary

The Booster for WooCommerce plugin versions up to 7.1.2 contain a cross-site scripting (XSS) vulnerability that allows authenticated users to inject malicious scripts. These scripts execute in the browsers of other site visitors, potentially compromising their sessions or stealing sensitive data. The vulnerability affects the plugin's core functionality and can impact any user viewing affected pages.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that runs in other users' browsers and steals their session data or credentials.

Potential impact on your site

04Site Impact

Visitors and staff may have their sessions hijacked or credentials stolen; site reputation and user trust at risk.

Conditions required to exploit

05Prerequisites

Attacker must have a WordPress user account with at least low-level privileges (e.g., subscriber or contributor role).

Key dates

06Disclosure timeline

October 19, 2023 CVE published
April 8, 2026 Record updated

Related vulnerabilities

08Related CVE