CVE-2011-0526: Vanillaforums Vanilla

Medium severity, CVSS 4.3. EPSS: 1.3% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in index.php in Vanilla Forums before 2.0.17 allows remote attackers to inject arbitrary web script or HTML via the Target parameter in a /entry/signin action.

Affected products

• Vanillaforums Vanilla: up to and including 2.0.16; version 2.0.9 only; version 2.0.10 only; version 2.0.11 only; version 2.0.12 only; version 2.0.13 only; …

Published 2011-02-08. Last modified 2026-06-16.