# CVE-2026-40806: Elementor Blog Posts and Category Filter unauthenticated XSS

Source: https://junglewise.ai/threats/cve-2026-40806-unauthenticated-cross-site-scripting-xss-in-blog-posts-and  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-06. Updated: 2026-10-06  
License: CC BY 4.0 with a link back

CVE-2026-40806 · Severity: high · CVSS 7.1 · Published 2026-10-06

A cross-site scripting vulnerability in the Elementor Blog, Posts and Category Filter WordPress plugin allows unauthenticated attackers to inject and execute malicious JavaScript code on affected websites. An attacker can exploit this to steal user session credentials, modify page content, redirect visitors to malicious sites, or perform actions on behalf of legitimate users. This impacts any WordPress site using the vulnerable plugin version without proper access controls.

Vendors: [Elementor](https://junglewise.ai/threats/vendors/elementor).

## Quick answers

**Is CVE-2026-40806 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-40806 being exploited in the wild.

**How severe is CVE-2026-40806?** High severity, with a CVSS score of 7.1, published 6 October 2026.

**Which products and versions are affected?** Elementor Blog Posts and Category Filter 2.1.0 and earlier.

**Is there a fix for CVE-2026-40806?** 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-2026-40806 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-40806?** Check whether you run Elementor Blog Posts and Category Filter 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

The vulnerability is an unauthenticated cross-site scripting (XSS) flaw in the Blog, Posts and Category Filter component of Elementor, likely resulting from insufficient input sanitization or output encoding in the plugin's filter functionality. The attack requires no authentication and can be exploited by sending a crafted request with malicious payload through the affected filter parameters. A successful exploit allows arbitrary JavaScript execution in the context of the vulnerable website, affecting all visitors.

## Affected products

- Elementor Blog Posts and Category Filter 2.1.0 and earlier

## Timeline

- 2026-10-06: disclosed

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/blog-posts-and-category-for-elementor/vulnerability/wordpress-blog-posts-and-category-filter-for-elementor-plugin-2-1-0-cross-site-scripting-xss-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/blog-posts-and-category-for-elementor/vulnerability/wordpress-blog-posts-and-category-filter-for-elementor-plugin-2-1-0-cross-site-scripting-xss-vulnerability?_s_id=cve)