Vulnerability · Published Feb 14, 2026 · Assigned by Wordfence
CVE-2026-0745User Language Switch <= 1.6.10 - Authenticated (Administrator+) Server-Side Request Forgery via 'info_language' Parameter
Medium 5.5
In plain English
A medium-severity server-side request forgery in User Language Switch from webilop. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official description
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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| webilop | User Language Switch | 0 – through 1.6.10 |
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/4d8d15be-6a7b-485e-a338-ccf1a6eb226c?source=cve
- https://downloads.wordpress.org/plugin/user-language-switch.zip
- https://wordpress.org/plugins/user-language-switch/
- https://plugins.trac.wordpress.org/browser/user-language-switch/trunk/uls-options.php#L451
- https://plugins.trac.wordpress.org/browser/user-language-switch/tags/1.6.10/uls-options.php#L451