CVE-2015-3438: Debian Linux

Medium severity, CVSS 4.3. EPSS: 7.4% chance of exploitation in the next 30 days.

Multiple cross-site scripting (XSS) vulnerabilities in WordPress before 4.1.2, when MySQL is used without strict mode, allow remote attackers to inject arbitrary web script or HTML via a (1) four-byte UTF-8 character or (2) invalid character that reaches the database layer, as demonstrated by a crafted character in a comment.

Affected products

• Debian Debian Linux: version 7.0 only; version 8.0 only
• WordPress WordPress: up to and including 4.1.1

Published 2015-08-05. Last modified 2026-06-17.