Bold Page Builder < 5.9.9 - Contributor+ Stored XSS via Slider Elements' additional_settings
Priority LOW 32CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00431 37th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Bold Page Builder (Unknown): 5.9.9
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Bold Page Builder | before 5.9.9 | 5.9.9 | Patch available | CNA |
- Bold Page Builder VendorUnknown Affected before 5.9.9 Fixed in 5.9.9 Patch available CNA
Remediation
- Fix · CNA Bold Page Builder (Unknown) Fixed in 5.9.9
Timeline
- 2026-10-02 Threatist record created from CVE-2026-84028
- 2026-10-03 Alias added: GHSA-9pcw-998m-hc65
References
Sources
- CVE-2026-84028 · CVE Program
- CVE-2026-84028 · NVD
- FIRST EPSS
- GHSA-9pcw-998m-hc65 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences