CVE-2023-43319

Name of the Vulnerable Software and Affected Versions IceWarp WebClient version 10.3.5

Description A Cross Site Scripting (XSS) issue in the Sign-In page allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the username parameter. This enables attackers to potentially steal user sessions, hijack accounts, or perform other malicious actions.

Recommendations For IceWarp WebClient version 10.3.5, consider disabling the Sign-In page functionality until a patch is available. Restrict access to the Sign-In page to minimize the risk of exploitation. Avoid using the username parameter in the affected Sign-In page until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.