What’s Vulnerable › Vulnerabilities
CVE-2026-84028: Bold Page Builder < 5.9.9 - Contributor+ Stored XSS via Slider Elements' additional_settings
- Severity: medium (CVSS 6.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-06 · updated 2026-09-08
- Weakness: CWE-79
Description
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.
Affected products
- boldthemes Bold Page Builder: before 5.9.9 — fixed in 5.9.9
How to fix
Upgrade to a fixed version: boldthemes Bold Page Builder 5.9.9. Check the vendor advisory for mitigations.
References
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