CVE-2023-0891: Codestag Stagtools

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

The StagTools WordPress plugin before 2.3.7 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

• Codestag Stagtools: before 2.3.7 (fixed in 2.3.7)

Published 2023-05-02. Last modified 2026-06-17.