# IMPress for IDX Broker <= 3.3.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes

- **ID:** WPSEC-2026-2971
- **Plugin:** IMPress for IDX Broker (`idx-broker-platinum`), https://wordpress.org/plugins/idx-broker-platinum/
- **Affected versions:** from 2.4.0 before 3.3.2
- **Fixed in:** 3.3.2 (Update to 3.3.2 or later.)
- **Severity:** Medium 6.4 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N)
- **Weakness:** CWE-79
- **Usage among sites WPSec scans:** plugin Medium, affected versions Low (as of 2026-11-12)
- **Attack surface analysis:** https://attacksurface.wpsec.com/plugin/idx-broker-platinum
- **Fix released:** 2026-11-10
- **Published:** 2026-11-12
- **URL:** https://wpsec.com/vuln/WPSEC-2026-2971/

## Description

The IMPress for IDX Broker plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'impress_property_showcase' and 'impress_property_carousel' shortcodes' 'property_type' and 'saved_link_id' attributes and the 'wp_listings_meta' shortcode's 'key' attribute in all versions up to, and including, 3.3.1, due to insufficient input sanitization and output escaping. The showcase and carousel attributes are placed unescaped inside an HTML comment, which a value containing '-->' can close, and the 'key' attribute is printed in an unquoted class attribute. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Also published later by wordfence as CVE-2026-54869.

## References

- https://wpsec.com/vuln/WPSEC-2026-2971/
- https://plugins.svn.wordpress.org/idx-broker-platinum/tags/3.3.2/
- https://wordpress.org/plugins/idx-broker-platinum/

Source: WPSec, https://wpsec.com/vuln/WPSEC-2026-2971/

License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Free to use, share and adapt, also commercially, if you credit WPSec and link to this advisory.