What the vulnerability does
01Description
The WPCS – WordPress Currency Switcher Professional plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's wpcs_current_currency shortcode in versions up to, and including, 1.1.9 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level permissions and above, 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 WPCS – WordPress Currency Switcher Professional plugin through version 1.1.9 contains a stored cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in the browsers of other site visitors, including administrators. The vulnerability affects the plugin's scope across the site, allowing attackers to steal session tokens, modify page content, or perform actions on behalf of victims.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that run in other users' browsers and steal their session tokens or modify site content.
Potential impact on your site
04Site Impact
Attackers with basic user accounts can compromise admin sessions and take control of your site without further authentication.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege WordPress user account (e.g., subscriber or contributor role).
Key dates
06Disclosure timeline
June 9, 2023
CVE published
April 8, 2026
Record updated
