CVE-2017-17093: Debian Linux

Medium severity, CVSS 5.4. EPSS: 2% chance of exploitation in the next 30 days.

wp-includes/general-template.php in WordPress before 4.9.1 does not properly restrict the lang attribute of an HTML element, which might allow attackers to conduct XSS attacks via the language setting of a site.

Affected products

• Debian Debian Linux: version 7.0 only; version 8.0 only; version 9.0 only
• WordPress WordPress: before 4.9.1 (fixed in 4.9.1)

Published 2017-12-02. Last modified 2026-06-17.