Authentication Bypass Vulnerability in Discuz! DiscuzX 3.4 with WeChat Login

CVE-2018-20422 · 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 authentication by leveraging a non-empty #wechat#common_member_wechatmp to gain login access to an account via a plugin.php ac=wxregister request (the attacker does not have control over which account will be accessed).

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