What is GHSA-c378-rx7g-g777?

GHSA-c378-rx7g-g777 is a security advisory published by GitHub Security Advisories with Medium severity. The WP Highlight Box WordPress plugin through 1.0 does not escape some shortcode attributes...

Which CVE IDs does GHSA-c378-rx7g-g777 cover?

GHSA-c378-rx7g-g777 covers the following CVE IDs: CVE-2026-86790. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-c378-rx7g-g777?

GHSA-c378-rx7g-g777 has a CVSS v3 base score of 6.8, published by GitHub Security Advisories.

GHSA-c378-rx7g-g777MediumCVSS 6.8

The WP Highlight Box WordPress plugin through 1.0 does not escape some shortcode attributes...

Vendor

GitHub Security Advisories

Published

September 12, 2026

Last Modified

September 12, 2026

🔗 CVE IDs covered (1)

CVE-2026-86790 →

📋 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-86790
https://wpscan.com/vulnerability/b48571ae-368e-4193-977a-f22fb09db4d4
https://github.com/advisories/GHSA-c378-rx7g-g777