WordPress Ultimate Addons for WPBakery Page Builder plugin < 3.21.4 - Cross Site Scripting (XSS) vulnerability
Priority LOW 28CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Brainstorm Force Ultimate Addons for WPBakery Page Builder allows DOM-Based XSS.This issue affects Ultimate Addons for WPBakery Page Builder: from n/a before 3.21.4.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00176 7th percentileScored 2026-11-07
Fix Fixed Ultimate Addons for WPBakery Page Builder (Brainstorm Force): 3.21.4
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| Brainstorm Force | Ultimate Addons for WPBakery Page Builder | before 3.21.4 | 3.21.4 | Patch available | CNA |
- Ultimate Addons for WPBakery Page Builder VendorBrainstorm Force Affected before 3.21.4 Fixed in 3.21.4 Patch available CNA
Remediation
- Fix · CNA Ultimate Addons for WPBakery Page Builder (Brainstorm Force) Fixed in 3.21.4
Timeline
- 2026-10-02 Threatist record created from CVE-2026-34889
- 2026-10-03 Alias added: GHSA-8f2q-5jx5-qqfg
More Brainstorm Force vulnerabilities
- TI-2025-19878 WordPress SureTriggers <= 1.0.82 - Privilege Escalation Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2025-02708 Incorrect comparison in Brainstorm Force OttoKit: All-in-One Automation Platform CVSS 3.1HIGH 8.1
- TI-2025-05347 SureForms < 1.7.2 - Reflected XSS CVSS 3.1MEDIUM 5.8
- TI-2020-18849 Spectra < 1.15.0 - Contributor+ Stored Cross-Side Scripting CVSS 3.1MEDIUM 5.4
- TI-2025-03050 SureForms < 1.4.4 - Contributor+ Settings Update CVSS 3.1MEDIUM 4.9
- TI-2025-11950 Starter Templates <= 4.4.41 - Authenticated (Author+) Arbitrary File Upload via WXR Upload Bypass CVSS 3.1HIGH 8.8
Sources
- CVE-2026-34889 · CVE Program
- CVE-2026-34889 · NVD
- FIRST EPSS
- GHSA-8f2q-5jx5-qqfg · 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