CVE-2018-18903 Code injection in n/a

Critical 9.8 Published Updated

Remote attackers can execute arbitrary code on Vanilla forum installations, requiring immediate upgrades to secure the application.

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-2018-18903?

CVE-2018-18903 is a critical code injection vulnerability in n/a, published on 3 Nov 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Vanilla 2.6.x before 2.6.4 allows remote code execution.

Weakness: CWE-94

Which versions are affected by CVE-2018-18903?

It affects 1 product.

Products include Vanillaforums Vanilla.

How do I fix CVE-2018-18903?

No fix has been published for CVE-2018-18903 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2018-18903 being exploited?

There is no known exploitation of CVE-2018-18903 in the wild and no public exploit code.

Sources

Also known as GHSA-jm3v-m7pq-rwrh.

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