Sean Mulder

**Name of the Vulnerable Software and Affected Versions** Virtuozzo Hybrid Server for WHMCS Open Source version 1.7.1 **Description** A Cross Site Scripting vulnerability allows a remote attacker to obtain sensitive information via modification of the `hostname` parameter. This issue enables data exposure. **Recommendations** For Virtuozzo Hybrid Server for WHMCS Open Source version 1.7.1, consider restricting access to the `hostname` parameter to minimize the risk of exploitation until a patch is available. As a temporary workaround, avoid using the `hostname` parameter in sensitive operations. At the moment, there is no information about a newer version that contains a fix for this vulnerability.