Bold Page Builder < 5.9.8 - Contributor+ Stored XSS via bt_bb_button/bt_bb_headline/bt_bb_icon URL
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 5.9.8 does not properly validate a link URL before outputting it in an HTML attribute, relying on a filter that can be evaded, allowing users with the Contributor role and above to inject arbitrary web scripts that execute when a user clicks the affected link.
Why it matters now
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 5.9.8 | 5.9.8 | Patch available | CNA |
- Bold Page Builder VendorUnknown Affected before 5.9.8 Fixed in 5.9.8 Patch available CNA
Remediation
- Fix · CNA Bold Page Builder (Unknown) Fixed in 5.9.8
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Bold Page Builder 5.9.8
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-57782 Bold Page Builder < 5.9.8 - Contributor+ Stored XSS via Multiple Shortcode Element AttributesPriority LOW 32
Timeline
- 2026-10-02 Threatist record created from CVE-2026-84021
- 2026-10-03 Alias added: GHSA-v5jf-q9wj-fxfx
References
Sources
- CVE-2026-84021 · CVE Program
- CVE-2026-84021 · NVD
- FIRST EPSS
- GHSA-v5jf-q9wj-fxfx · GitHub Advisory Database · CC BY 4.0
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