What is CVE-2026-84028?

CVE-2026-84028 is a medium-severity vulnerability in Bold Page Builder, classified under Cross-site Scripting. CVSS score: 6.8/10. Published 2026-09-06.

How severe is CVE-2026-84028?

Medium severity. CVSS v3 base score is 6.8 out of 10.

XSS in Bold Page Builder

CVE-2026-84028

The Bold Page Builder WordPress plugin before 5.9.9 does not sanitise and escape a shortcode attribute before outputting it in an HTML attribute, allowing users with the Contributor role and above to inject arbitrary web scripts that execute when a user views the affected page.

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H.

Affected products

Unknown Bold Page Builder

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-84028?: CVE-2026-84028 is a medium-severity vulnerability in Bold Page Builder, classified under Cross-site Scripting. CVSS score: 6.8/10. Published 2026-09-06.
How severe is CVE-2026-84028?: Medium severity. CVSS v3 base score is 6.8 out of 10.