CVE-2018-20634 Cross-site scripting in n/a

Medium 6.5 Published 20 Mar 2019 Updated 5 Aug 2024

Remote attackers can cause denial of service by injecting JavaScript into the First Name field of the Advance B2B Script.

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

What is CVE-2018-20634?

CVE-2018-20634 is a medium-severity cross-site scripting vulnerability in n/a, published on 20 Mar 2019. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

PHP Scripts Mall Advance B2B Script 2.1.4 allows remote attackers to cause a denial of service (changed Page structure) via JavaScript code in the First Name field.

Weakness: CWE-119

Which versions are affected by CVE-2018-20634?

It affects 1 product.

Products include Advance B2b Script Project Advance B2b Script.

How do I fix CVE-2018-20634?

No fix has been published for CVE-2018-20634 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2018-20634 being exploited?

There is no known exploitation of CVE-2018-20634 in the wild and no public exploit code.

Sources

Also known as GHSA-fwvc-q372-xv7g.