# CVE-2026-24533: CozyThemes Cozy Blocks stored cross-site scripting

Source: https://junglewise.ai/threats/cve-2026-24533-improper-neutralization-of-input-during-web-page-generation-cross  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-29. Updated: 2026-10-29  
License: CC BY 4.0 with a link back

CVE-2026-24533 · Severity: medium · CVSS 6.5 · Published 2026-10-29

Cozy Blocks is a WordPress plugin that provides block editor functionality for building web pages. A stored cross-site scripting vulnerability allows authenticated attackers with contributor or developer privileges to inject malicious scripts that execute in the browsers of site visitors, potentially stealing their data or hijacking their accounts.

Technologies: [CozyThemes Cozy Blocks](https://junglewise.ai/threats/technologies/cozy-blocks). Vendors: [CozyThemes](https://junglewise.ai/threats/vendors/cozythemes).

## Quick answers

**Is CVE-2026-24533 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-24533 being exploited in the wild.

**How severe is CVE-2026-24533?** Medium severity, with a CVSS score of 6.5, published 29 October 2026.

**Which products and versions are affected?** CozyThemes Cozy Blocks through 2.2.27.

**Is there a fix for CVE-2026-24533?** Yes: fixed in 2.2.28. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-24533 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-24533?** Check whether you run CozyThemes Cozy Blocks 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 2.2.28

## Technical details

Stored XSS vulnerability in CozyThemes Cozy Blocks plugin through version 2.2.27 allows improper neutralization of user input during web page generation. Exploitation requires a user with contributor or developer role to perform a malicious action; successful exploitation results in arbitrary JavaScript execution in visitor browsers. The vulnerability is fixed in version 2.2.28.

## Affected products

- CozyThemes Cozy Blocks through 2.2.27

## Timeline

- 2026-10-29: disclosed

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/cozy-addons/vulnerability/wordpress-cozy-blocks-plugin-2-2-27-cross-site-scripting-xss-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/cozy-addons/vulnerability/wordpress-cozy-blocks-plugin-2-2-27-cross-site-scripting-xss-vulnerability?_s_id=cve)

## Related threats

- [CozyThemes Cozy Blocks insecure direct object reference in cozy-addons](https://junglewise.ai/threats/cve-2026-97070-authorization-bypass-through-user-controlled-key-vulnerability-in)
- [Cozy Blocks WordPress plugin Stored XSS in layoutCircle.alignment](https://junglewise.ai/threats/cve-2026-15950-cozy-blocks-wordpress-plugin-stored-xss-in-layoutcircle-alignment)
- [Cozythemes Cozy Blocks Stored XSS in postMeta.font.size attribute](https://junglewise.ai/threats/cve-2026-15393-cozythemes-cozy-blocks-stored-xss-in-postmeta-font-size-attribute)
- [CozyThemes Cozy Blocks Stored XSS in icon.view attribute](https://junglewise.ai/threats/cve-2026-15334-cozythemes-cozy-blocks-stored-xss-in-icon-view-attribute)
- [Cozy Blocks WordPress plugin stored XSS in cozyCustomFont attribute](https://junglewise.ai/threats/cve-2026-15333-cozy-blocks-wordpress-plugin-stored-xss-in-cozycustomfont)