CVE-2025-3488: WPML Multilingual CMS 3.6.0 - 4.7.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via wpml_language_switcher Shortcode
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.
Classification
CVE ID: CVE-2025-3488
CVSS Base Severity: MEDIUM
CVSS Base Score: 6.4
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Problem Types
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Affected Products
Vendor: WPML
Product: WPML
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.03% (probability of being exploited)
EPSS Percentile: 6.62% (scored less or equal to compared to others)
EPSS Date: 2025-05-11 (when was this score calculated)
References
https://nvd.nist.gov/vuln/detail/CVE-2025-3488https://www.wordfence.com/threat-intel/vulnerabilities/id/92c1bd85-5f81-4bb6-b6af-6cda85b91b9e?source=cve
https://wpml.org/documentation/support/wpml-coding-api/shortcodes/
https://wpml.org/category/changelog/