CVE Catalog

CVE-2026-86790

MediumCVSS 6.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.24%

15th percentile - higher than 15% of all known CVEs

Summary

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.

Risk Assessment

An attacker with contributor privileges can inject malicious script that executes in visitors' browsers, leading to session theft or account takeover.

Recommendation

Update the WP Highlight Box plugin to a version later than 1.0 or remove it if unused. Review content for injected scripts.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS