CVE-2023-5874

CVE-2023-5874 affects the Popup box WordPress plugin pre-3.8.6. The vulnerability arises from inadequate sanitisation/escaping of certain settings, enabling Stored XSS by high-privilege users (e.g., admins) even when unfiltered_html is disallowed (e.g., multisite). The impact is stored XSS in plu...

CVE-2023-5874 Popup box < 3.8.6 - Admin+ Stored XSS in Popup Settings

The Popup box WordPress plugin before 3.8.6 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfilteredhtml capability is disallowed for example in multisite setup...