CVE-2023-1400: The Modern Events Calendar Lite WordPress plugin before 6.5.2 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Sc...

Summary

The Modern Events Calendar Lite WordPress plugin before 6.5.2 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 unfiltered_html capability is disallowed (for example in multisite setup)...

What to do

Update webnus modern_events_calendar_lite to version 6.5.2 or later.

Affected software

Vendor	Product	Affected versions
webnus	modern_events_calendar_lite	< 6.5.2 `cpe:2.3:a:webnus:modern_events_calendar_lite::::::wordpress::*`

Original advisory text

The Modern Events Calendar Lite WordPress plugin before 6.5.2 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Sc...

The Modern Events Calendar Lite WordPress plugin before 6.5.2 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 unfiltered_html capability is disallowed (for example in multisite setup).

References

https://wpscan.com/vulnerability/c7feceef-28f1-4cac-b124-4b95e3f17b07 Exploit Third Party Advisory