WPML Multilingual CMS 3.6.0 - 4.7.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via wpml_language_switcher Shortcode

6.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2025-3488
CVSS 6.4 (Medium)
Publicly Published May 1, 2025
Last Updated May 2, 2025
Researcher stealthcopter

Description

The WPML plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's wpml_language_switcher shortcode in versions 3.6.0 - 4.7.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.

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Vulnerability Details for WPML Multilingual CMS

Software Type Plugin
Software Slug sitepress-multilingual-cms
Patched? Yes
Remediation Update to version 4.7.4, or a newer patched version
Affected Version
  • 3.6.0 - 4.7.3
Patched Version
  • 4.7.4

Recent vulnerabilities in WPML Multilingual CMS

# Title CVE ID CVSS Researchers Date
1 WPML Multilingual CMS <= 4.9.5 - Incorrect Authorization to Authenticated (Subscriber+) SQL Injection via ‘elementIds’ CVE-2026-17509 6.5 h0xilo September 7, 2026
2 WPML Multilingual CMS <= 4.9.5 - Authenticated (Translator+) SQL Injection via 'sorting' Parameter CVE-2026-12248 6.5 Yuto Hyakumoto August 14, 2026
3 WPML Multilingual CMS <= 4.6.12 - Authenticated (Contributor+) Remote Code Execution via Twig Server-Side Template Injection CVE-2024-6386 9.9 stealthcopter August 21, 2024
4 WPML <= 4.6.0 - Reflected Cross-Site Scripting via wp_lang 6.1 Deepak kumar, 0xcharan April 16, 2023
5 WPML <= 4.5.10 - Missing Authorization to Translation Job Status Change CVE-2022-38974 4.3 Dave Jong November 9, 2022
6 WPML <= 4.5.13 - Cross-Site Request Forgery CVE-2022-45071 4.3 Dave Jong November 9, 2022
7 WPML <= 4.5.13 - Cross-Site Request Forgery CVE-2022-45072 4.3 Dave Jong November 9, 2022
8 WPML <= 4.5.10 - Missing Authorization to Settings Change CVE-2022-38461 4.3 Dave Jong November 9, 2022
9 WPML <= 4.5.10 - Unprotected AJAX Actions 5.4 September 26, 2022
10 WPML < 4.3.7 - Cross-Site Request Forgery Bypass CVE-2020-10568 8.8 Gerard Arall March 9, 2020

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