ARIA hidden element must not be focusable or contain focusable elements
Moderatearia-hidden-focus
What it checks
Ensure aria-hidden elements are not focusable nor contain focusable elements
How to fix it
Review and fix this accessibility issue following WCAG guidelines
WCAG
Success criteria 4.1.2. See the WCAG 2.2 quick reference.
More detail: Deque University's page on this rule.