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**Name of the Vulnerable Software and Affected Versions** y project RuoYi versions up to 4.7.9 **Description** A vulnerability was found in the function `isJsonRequest` of the component Content-Type Handler. The manipulation of the argument `HttpHeaders.CONTENT TYPE` leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. **Recommendations** For versions up to 4.7.9, as a temporary workaround, consider disabling the `isJsonRequest` function until a patch is available. Restrict access to the Content-Type Handler component to minimize the risk of exploitation. Avoid using the `HttpHeaders.CONTENT TYPE` argument in the affected API endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.