CVE-2026-0745
User Language Switch <= 1.6.10 - Authenticated (Administrator+) Server-Side Request Forgery via 'info_language' Parameter
- State
- Published
- Severity
- 5.5 Medium
- Published
- Feb 14, 2026
- Updated
- Apr 16, 2026
- Reserved
- Jan 8, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.5 Medium | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N | Wordfence |
Weaknesses
- CWE-918 Server-Side Request Forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
User Language Switchwebilop |
|
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
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