---
title: "Colibri Page Builder - Stored XSS"
description: "Colibri Page Builder WordPress plugin <= 1.0.390 contains a stored cross-site scripting caused by insufficient sanitization of 'comment' parameter allowing unauthenticated attackers to inject scripts executed on page load."
url: https://panop.io/threat-heartbeat/CVE-2026-107758/
---

# CVE-2026-107758 Colibri Page Builder - Stored XSS

Colibri Page Builder WordPress plugin <= 1.0.390 contains a stored cross-site scripting caused by insufficient sanitization of 'comment' parameter allowing unauthenticated attackers to inject scripts executed on page load.

CVSS base score 7.2 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-107758)

## Details

Type

Stored Xss

Impact

Stored Xss

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Published

16 October 2026

Updated

16 October 2026

Weakness

[CWE-79](https://cwe.mitre.org/data/definitions/79.html)

## Vendor fix

Update to the latest version beyond 1.0.390.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-107758](https://nvd.nist.gov/vuln/detail/CVE-2026-107758)
- [https://plugins.trac.wordpress.org/browser/colibri-page-builder/trunk/extend-builder/filters/svg-kses.php#L4](https://plugins.trac.wordpress.org/browser/colibri-page-builder/trunk/extend-builder/filters/svg-kses.php#L4)
- [https://plugins.trac.wordpress.org/browser/colibri-page-builder/trunk/extend-builder/filters/svg-kses.php#L68](https://plugins.trac.wordpress.org/browser/colibri-page-builder/trunk/extend-builder/filters/svg-kses.php#L68)
- [https://plugins.trac.wordpress.org/browser/colibri-page-builder/trunk/extend-builder/filters/svg-kses.php#L82](https://plugins.trac.wordpress.org/browser/colibri-page-builder/trunk/extend-builder/filters/svg-kses.php#L82)
- [https://www.wordfence.com/threat-intel/vulnerabilities/id/ccae5cbd-cfe6-48b3-8bcd-0b08ceb94680?source=cve](https://www.wordfence.com/threat-intel/vulnerabilities/id/ccae5cbd-cfe6-48b3-8bcd-0b08ceb94680?source=cve)
- [https://plugins.trac.wordpress.org/browser/colibri-page-builder/trunk/extend-builder/assets/static/colibri.js#L205](https://plugins.trac.wordpress.org/browser/colibri-page-builder/trunk/extend-builder/assets/static/colibri.js#L205)
- [https://plugins.trac.wordpress.org/browser/colibri-page-builder/trunk/extend-builder/assets/static/colibri.js#L57](https://plugins.trac.wordpress.org/browser/colibri-page-builder/trunk/extend-builder/assets/static/colibri.js#L57)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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