# CVE-2026-104740: If-So Dynamic Content stored XSS in shortcode attribute

Source: https://junglewise.ai/threats/cve-2026-104740-the-if-so-dynamic-content-elementor-all-page-builders  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-28. Updated: 2026-10-28  
License: CC BY 4.0 with a link back

CVE-2026-104740 · Severity: medium · CVSS 6.4 · Published 2026-10-28

The If-So Dynamic Content plugin for WordPress allows website personalization and dynamic content display across page builders like Elementor. Authenticated users with contributor-level access can inject malicious scripts into pages through the 'conversion' shortcode attribute, which then execute for all visitors, potentially compromising user data or redirecting visitors to malicious sites.

Technologies: [If-So Dynamic Content – Elementor & All Page Builders Personalization](https://junglewise.ai/threats/technologies/dynamic-content-elementor-all-page-builders-personalization). Vendors: [If-So](https://junglewise.ai/threats/vendors/if-so).

## Quick answers

**Is CVE-2026-104740 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-104740 being exploited in the wild.

**How severe is CVE-2026-104740?** Medium severity, with a CVSS score of 6.4, published 28 October 2026.

**Which products and versions are affected?** If-So Dynamic Content – Elementor & All Page Builders Personalization up to and including 1.10.2.

**Is there a fix for CVE-2026-104740?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-104740 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-104740?** Check whether you run If-So Dynamic Content – Elementor & All Page Builders Personalization 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.

## Technical details

Stored XSS vulnerability in the 'conversion' shortcode attribute due to insufficient input sanitization and output escaping. Authenticated attackers with contributor-level permissions can inject arbitrary JavaScript into pages via the shortcode; the injected script persists and executes in the browsers of all users who access the compromised page. No evidence of patches is currently available.

## Affected products

- If-So Dynamic Content – Elementor & All Page Builders Personalization up to and including 1.10.2

## Timeline

- 2026-10-28: disclosed

## References

- [https://plugins.trac.wordpress.org/browser/if-so/tags/1.10.2/extensions/ifso-extended-shortcodes/extended-shortcodes.php](https://plugins.trac.wordpress.org/browser/if-so/tags/1.10.2/extensions/ifso-extended-shortcodes/extended-shortcodes.php)
- [https://plugins.trac.wordpress.org/browser/if-so/tags/1.10.2/extensions/ifso-extended-shortcodes/extended-shortcodes.php](https://plugins.trac.wordpress.org/browser/if-so/tags/1.10.2/extensions/ifso-extended-shortcodes/extended-shortcodes.php)

## Related threats

- [If-So Dynamic Content stored XSS in repeater fields](https://junglewise.ai/threats/cve-2026-118164-the-if-so-dynamic-content-elementor-all-page-builders)
- [If-So Dynamic Content stored cross-site scripting in URL parameter](https://junglewise.ai/threats/cve-2026-103996-the-if-so-dynamic-content-elementor-all-page-builders)