---
id: "CVE-2026-24533"
kind: "vulnerability"
aliases: ["CVE-2026-24533"]
title: "Cozy Blocks WordPress plugin: stored XSS through 2.2.27"
severity: "medium"
cvss: 6.5
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["cozy-addons", "cozy-blocks", "package", "wordpress"]
not_affected_if: ["plugin-not-installed"]
published_at: "2026-10-29T13:17:10+00:00"
first_seen_at: "2026-10-29T13:25:07+00:00"
updated_at: "2026-10-29T13:25:42+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-24533", "first_seen_at": "2026-10-29T13:25:07+00:00"}]
---

# Cozy Blocks WordPress plugin: stored XSS through 2.2.27

The Cozy Blocks plugin (cozy-addons) by CozyThemes does not sanitize some input before rendering it on pages, enabling stored cross-site scripting. An attacker who can store content can run scripts in other visitors' browsers.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check whether the Cozy Blocks (cozy-addons) plugin is installed and its version, for example in the WordPress admin under Plugins.
- Compare the installed version against `2.2.27`; the sources say versions through `2.2.27` are affected.

## Timeline

- 2026-10-29T13:25:07+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-24533

## From the sources

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in CozyThemes Cozy Blocks cozy-addons allows Stored XSS.This issue affects Cozy Blocks: from n/a through 2.2.27.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_