CVE-2026-0745

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

Language Switcher

CVSS 3.1

5.5 MEDIUM

EPSS

0.3% (26th percentile)

Weakness

CWE-918

NVD status

Deferred

Published

2026-02-14