CVE-2026-86790 — MEDIUM (6.8)

Vulnerability 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.

CVSS Score

6.8

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-79

References

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

FAQ

What is CVE-2026-86790?

CVE-2026-86790 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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 contribut...

How severe is CVE-2026-86790?

CVE-2026-86790 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-86790?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.