CVE-2026-0745: Webilop User Language Switch

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

The User Language Switch plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.6.10 due to missing URL validation on the 'download_language()' function. This makes it possible for authenticated attackers, with Administrator-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

Affected products

• Webilop User Language Switch: up to and including 1.6.10

Published 2026-02-14. Last modified 2026-06-17.