Bypassing Disabled Registration Setting in Discuz! DiscuzX 3.4 with WeChat Login

CVE-2018-20423 · MEDIUM Severity

AV:N/AC:M/AU:N/C:P/I:P/A:P

Discuz! DiscuzX 3.4, when WeChat login is enabled, allows remote attackers to bypass a "disabled registration" setting by adding a non-existing wxopenid value to the plugin.php ac=wxregister query string.

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