What’s Vulnerable › Vulnerabilities

CVE-2026-0745: User Language Switch <= 1.6.10 - Authenticated (Administrator+) Server-Side Request Forgery via 'info_language' Parameter

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-14 · updated 2026-06-17
• Weakness: CWE-918

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

• webilop User Language Switch: through 1.6.10

References

• https://downloads.wordpress.org/plugin/user-language-switch.zip
• https://plugins.trac.wordpress.org/browser/user-language-switch/tags/1.6.10/uls-options.php#L451
• https://plugins.trac.wordpress.org/browser/user-language-switch/trunk/uls-options.php#L451
• https://wordpress.org/plugins/user-language-switch/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/4d8d15be-6a7b-485e-a338-ccf1a6eb226c?source=cve

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