---
id: "CVE-2026-105600"
kind: "vulnerability"
aliases: ["CVE-2026-105600"]
title: "Joomla StageIt extension: setting strings let attackers run remote code"
severity: "high"
cvss: 8.6
epss: null
exploited: false
status: "open"
category: "other"
products: [{"name": "StageIt", "fixed": ["5.8.0", "6.4.0"], "affected": ">= 1.0, < 5.8.0 (Joomla 5 line); >= 6.0, < 6.4.0", "ecosystem": "joomla"}]
ecosystems: []
tags: ["csrf", "joomla", "other", "php", "rce", "stageit", "web-hosting"]
not_affected_if: ["extension-not-installed", "patched-5.8.0", "patched-6.4.0"]
published_at: "2026-11-02T14:17:34+00:00"
first_seen_at: "2026-11-02T14:23:23+00:00"
updated_at: "2026-11-02T14:25:27+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-105600", "first_seen_at": "2026-11-02T14:23:23+00:00"}, {"source": "analyst", "url": null, "first_seen_at": "2026-11-02T14:25:27+00:00"}]
---

# Joomla StageIt extension: setting strings let attackers run remote code

The StageIt extension for Joomla from php-web-design.com allows remote code execution through crafted setting strings. An attacker who can reach the site may be able to run code on the server, with a CVSS score of 8.6 reported by NVD.

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

## Affected

- joomla:StageIt affected >= 1.0, < 5.8.0 (Joomla 5 line); >= 6.0, < 6.4.0 fixed 5.8.0, 6.4.0

## How to check

In Joomla admin go to System > Manage > Extensions and find StageIt (php-web-design.com). Vulnerable: 5.x below 5.8.0 and 6.x below 6.4.0. NVD lists 1.0-5.7.5 and 6.0-6.3.5; StageIt 4 and older have no fix and were not checked by mySites.guru, so move off them or remove the extension. After updating, review /stgbackups/ and the StageIt log for pushes, restores or deletes nobody on your team ran.

## Fix

Update StageIt for Joomla 5 to 5.8.0, StageIt for Joomla 6 to 6.4.0 (released 24 Oct 2026, per the vendor changelog as relayed by mySites.guru)

## Timeline

- 2026-11-02T14:23:23+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-105600
- 2026-11-02T14:25:27+00:00 analyst — Fix versions 5.8.0/6.4.0 and CSRF+params.php chain come from mySites.guru's reading of the vendor changelog; the vendor page I could fetch only showed the older changelog (up to 5.6.4), and NVD page returned no text. So nothing marked verified. No exploitation or PoC reported; mySites.guru did not test. CVSS 8.6 is NVD's/mySites' reading. Not 'unauthenticated' strictly: needs admin interaction.

## Documents

- [describes] StageIt 5.8.0 and 6.4.0 fix CSRF on every action (mySites.guru) https://mysites.guru/blog/stageit-5-8-0-6-4-0-security-release/
- [mentions] StageIt 5 ChangeLog (vendor) https://php-web-design.com/Information/stageit-5-changelog.html

## From the sources

Joomla Extension - php-web-design.com - RCE via setting strings in StageIt 1.0-5.7.5, 6.0-6.3.5

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