A security flaw has been discovered in SeriaWei ZKEACMS up to 4.3. This vulnerability affects the function CheckPage/Suggestions in the library cms-v4.3wwwrootPluginsZKEACMS.SEOSuggestionsZKEACMS.SEOSuggestions.dll of the component SEOSuggestions. Performing manipulation results in server-side request forgery. It is possible to initiate the attack remotely. The exploit has been released to the public and may be exploited. The vendor was contacted early about this disclosure but did not respond in any way.
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.