CVE-2018-10305 Missing authorization in n/a

Critical 9.8 Published 24 Apr 2018 Updated 5 Aug 2024

Attackers can bypass access restrictions in Simple Machines Forum to view private messages they should not have access to.

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-2018-10305?

CVE-2018-10305 is a critical missing authorization vulnerability in n/a, published on 24 Apr 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The MessageSearch2 function in PersonalMessage.php in Simple Machines Forum (SMF) before 2.0.15 does not properly use the possible_users variable in a query, which might allow attackers to bypass intended access restrictions.

Which versions are affected by CVE-2018-10305?

It affects 1 product.

Products include Simplemachines Simple Machines Forum.

How do I fix CVE-2018-10305?

No fix has been published for CVE-2018-10305 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-2018-10305 being exploited?

There is no known exploitation of CVE-2018-10305 in the wild and no public exploit code.

Sources

Also known as GHSA-qchh-6285-3cqf.