CVE-2026-86790
Medium
Description
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.
SeverityMedium
CVSS6.8
Exploit probability—
ProductWP Highlight Box
PublishedSep 12, 2026
First seenSep 12, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| WP Highlight Box | v ≤ 1.0 | — |
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