A vulnerability classified as critical has been found in EyouCMS up to 1.6.7. Affected is an unknown function of the component Website Logo Handler. The manipulation leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
A stored cross-site scripting (XSS) vulnerability in EyouCMS-V1.6.5-UTF8-SP1 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Public Security Registration Number parameter.