What’s Vulnerable › Vulnerabilities
CVE-2026-86790: WP Highlight Box <= 1.0 - Contributor+ Stored XSS via highlight-box Shortcode
- Severity: medium (CVSS 6.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-12 · updated 2026-09-14
- Weakness: CWE-79
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.
Affected products
- WP Highlight Box: through 1.0
References
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