CVE-2022-4752: Opening Hours Project Opening Hours

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

The Opening Hours WordPress plugin through 2.3.0 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

Affected products

• Opening Hours Project Opening Hours: up to and including 2.3.0

Published 2023-02-21. Last modified 2026-06-17.