# CVE-2026-39739: Brainstorm Force Ultimate Addons for Elementor stored XSS

Source: https://junglewise.ai/threats/cve-2026-39739-improper-neutralization-of-input-during-web-page-generation-cross  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-30. Updated: 2026-10-30  
License: CC BY 4.0 with a link back

CVE-2026-39739 · Severity: medium · CVSS 6.5 · Published 2026-10-30

Ultimate Addons for Elementor is a WordPress plugin that extends the Elementor page builder with additional content blocks and features. A stored cross-site scripting vulnerability allows contributors and above to inject malicious scripts that persist on the site and execute when other users visit affected pages, potentially stealing visitor data or hijacking accounts.

Vendors: [Brainstorm Force](https://junglewise.ai/threats/vendors/brainstorm-force).

## Quick answers

**Is CVE-2026-39739 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-39739 being exploited in the wild.

**How severe is CVE-2026-39739?** Medium severity, with a CVSS score of 6.5, published 30 October 2026.

**Which products and versions are affected?** Brainstorm Force Ultimate Addons for Elementor - Lite through 2.9.5.

**Is there a fix for CVE-2026-39739?** Yes: fixed in 2.9.6. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-39739 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-39739?** Check whether you run Brainstorm Force Ultimate Addons for Elementor - Lite at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in 2.9.6

## Technical details

The vulnerability is a stored XSS in the header-footer-elementor plugin component that fails to properly sanitize user input during web page generation. An attacker with contributor or higher privileges can inject malicious JavaScript which is stored in the database and executed in the browsers of all site visitors. A fix is available in version 2.9.6.

## Affected products

- Brainstorm Force Ultimate Addons for Elementor - Lite through 2.9.5

## Timeline

- 2026-10-30: disclosed
- 2026-10-30: advisory

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/header-footer-elementor/vulnerability/wordpress-ultimate-addons-for-elementor-lite-plugin-2-9-5-cross-site-scripting-xss-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/header-footer-elementor/vulnerability/wordpress-ultimate-addons-for-elementor-lite-plugin-2-9-5-cross-site-scripting-xss-vulnerability?_s_id=cve)