CVE-2011-3865: Ulyssesonline Black-Letterhead

Medium severity, CVSS 4.3. EPSS: 3.5% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in the Black-LetterHead theme before 1.6 for WordPress allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO to index.php.

Affected products

• Ulyssesonline Black-Letterhead: up to and including 1.5; version 1.1 only; version 1.2 only; version 1.3 only; version 1.4 only

Published 2011-09-28. Last modified 2026-06-16.