CVE-2023-0490: F(x) Toc Project F(x) Toc

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

The f(x) TOC WordPress plugin through 1.1.0 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

• F(x) Toc Project F(x) Toc: up to and including 1.1.0

Published 2023-05-15. Last modified 2026-06-17.