CVE-2018-20424 Missing authorization in n/a

Medium 5.9 Published 24 Dec 2018 Updated 5 Aug 2024

Remote attackers can delete WeChat login data in Discuz! if the WeChat login feature is enabled, due to missing authorization checks.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-20424?

CVE-2018-20424 is a medium-severity missing authorization vulnerability in n/a, published on 24 Dec 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Discuz! DiscuzX 3.4, when WeChat login is enabled, allows remote attackers to delete the common_member_wechatmp data structure via an ac=unbindmp request to plugin.php.

Weakness: CWE-20

Which versions are affected by CVE-2018-20424?

It affects 1 product.

Products include Comsenz Discuzx.

How do I fix CVE-2018-20424?

No fix has been published for CVE-2018-20424 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2018-20424 being exploited?

There is no known exploitation of CVE-2018-20424 in the wild and no public exploit code.

Sources

Also known as GHSA-xrcr-v699-vfjr.