CVE-2023-0540: Gsplugins Gs Filterable Portfolio

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

The GS Filterable Portfolio WordPress plugin before 1.6.1 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

• Gsplugins Gs Filterable Portfolio: before 1.6.1 (fixed in 1.6.1)

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