---
id: CVE-2025-9560
title: >-
  The Colibri Page Builder plugin for WordPress is vulnerable to Stored
  Cross-Site Scripting via the plugin's colibri_newsletter shortcode in all
  versions up to, and including, 1.0.334 due to insufficient input sanitization
  and output esca…
summary: >-
  The Colibri Page Builder plugin for WordPress is vulnerable to Stored
  Cross-Site Scripting via the plugin's colibri_newsletter shortcode in all
  versions up to, and including, 1.0.334 due to insufficient input sanitization
  and output esca…
severity: medium
cvss: 6.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
published: '2025-10-11'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T13:10:00.200'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-9560'
references:
  - url: >-
      https://plugins.trac.wordpress.org/changeset/3373432/colibri-page-builder/trunk/extend-builder/shortcodes/newsletter.php
    label: security@wordfence.com
  - url: 'https://wordpress.org/plugins/colibri-page-builder/#developers'
    label: security@wordfence.com
  - url: >-
      https://www.wordfence.com/threat-intel/vulnerabilities/id/0ef1679f-44ec-448a-a77b-489ac9bfaa7a?source=cve
    label: security@wordfence.com
tags:
  - nvd
epss: 0.00231
epssPercentile: 0.1281
ingestedAt: '2026-10-08T13:42:55.093Z'
---

## Overview

The Colibri Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's colibri_newsletter shortcode in all versions up to, and including, 1.0.334 due to insufficient input sanitization and output escaping on user supplied attributes. 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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.