Cross-site scripting (XSS) vulnerability in system/index.php in ExpressionEngine 1.6.4 through 1.6.6, and possibly earlier versions, allows remote attackers to inject arbitrary web script or HTML via the avatar parameter.
| Software | From | Fixed in |
|---|---|---|
| expressionengine / expressionengine | 1.6.5 | 1.6.5.x |
| expressionengine / expressionengine | 1.6.4 | 1.6.4.x |
| expressionengine / expressionengine | 1.6.6 | 1.6.6.x |