CVE-2026-86790
The WP Highlight Box WordPress plugin through 1.0 does not escape some shortcode attributes before outputting them in a page where the shortcode is embedded, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.
- Published Sep 12, 2026
- CVSS 6.8 medium
- 0.4% chance of exploitation in the next 30 days (EPSS)