CVE-2026-0745 Server-side request forgery in User Language Switch

Medium 5.5 Published Updated

Administrators can exploit missing URL validation to perform Server-Side Request Forgery, accessing internal services.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-0745?

CVE-2026-0745 is a medium-severity server-side request forgery vulnerability in webilop User Language Switch, published on 14 Feb 2026. An attacker needs administrator access to exploit it, with no action from the victim.

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.

Weakness: CWE-918

Which versions are affected by CVE-2026-0745?

How do I fix CVE-2026-0745?

No fix has been published for CVE-2026-0745 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2026-0745 being exploited?

There is no known exploitation of CVE-2026-0745 in the wild and no public exploit code.

Public exploit code: 2 proofs of concept on GitHub.

Sources

Also known as GHSA-m38c-5p3m-p7gm.

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