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**Name of the Vulnerable Software and Affected Versions** DouPHP version 1.7 Release 20220822 **Description** A critical issue has been found in the Favicon Handler component of DouPHP, affecting some unknown functionality of the file /admin/system.php. The manipulation of the `site favicon` argument leads to unrestricted upload. This issue can be exploited remotely. The exploit has been disclosed to the public and may be used. **Recommendations** As a temporary workaround, consider disabling the Favicon Handler component until a patch is available. Restrict access to the /admin/system.php file to minimize the risk of exploitation. Avoid using the `site favicon` argument in the affected functionality until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.