CVE-2006-2755: Ubbcentral Ubb.threads

Medium severity, CVSS 4.3. EPSS: 2.3% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in index.php in UBBThreads 5.x and earlier allows remote attackers to inject arbitrary web script or HTML via the debug parameter, as demonstrated by stealing MD5 hashes of passwords.

Affected products

• Ubbcentral Ubb.threads: version 5.0 only; version 5.5.1 only; version 6.0 only; version 6.0.1 only; version 6.0.2 only; version 6.0.3 only; …

Published 2006-06-02. Last modified 2026-06-16.