CVE-2026-86790

6.8 mediumEPSS 0.4%

Medium (6.8). EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.8 medium

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 37% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2026-09-12
Modified: 2026-09-14
Record from: the NVD, synced 2026-10-19

References

https://wpscan.com/vulnerability/b48571ae-368e-4193-977a-f22fb09db4d4/

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