Security
Vulnerability
In short and in plain language
A vulnerability is a flaw in a program or in how it is set up.
An attacker could use it to do harm.
It can hit, for example, a shop, add-ons or servers.
Makers usually fix known flaws with updates or patches.
Definition
A vulnerability is a flaw or gap in software or configuration that an attacker could exploit. It affects, for example, shop software, plugins or servers. Vendors usually fix known vulnerabilities through updates or patches.