---
id: "CVE-2026-103420"
kind: "vulnerability"
aliases: ["CVE-2026-103420"]
title: "Joomla StageIt extension: cross-site request forgery on various actions"
severity: "high"
cvss: 7.2
epss: null
exploited: false
status: "open"
category: "runtime"
products: [{"name": "StageIt", "fixed": ["5.8.0", "6.4.0"], "affected": "1.0 - 5.7.5, 6.0 - 6.3.5", "ecosystem": "joomla"}]
ecosystems: []
tags: ["csrf", "joomla", "joomla-extension", "php", "runtime", "stageit"]
not_affected_if: ["extension-not-installed", "stageit-5.8.0-or-later", "stageit-6.4.0-or-later"]
published_at: "2026-11-02T14:17:34+00:00"
first_seen_at: "2026-11-02T14:23:23+00:00"
updated_at: "2026-11-02T14:26:35+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-103420", "first_seen_at": "2026-11-02T14:23:23+00:00"}, {"source": "analyst", "url": null, "first_seen_at": "2026-11-02T14:26:35+00:00"}]
---

# Joomla StageIt extension: cross-site request forgery on various actions

The StageIt Joomla extension from php-web-design.com accepts state-changing requests without verifying they came from the logged-in user. An attacker can trick a logged-in administrator's browser into performing actions on the site.

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

## Affected

- joomla:StageIt affected 1.0 - 5.7.5, 6.0 - 6.3.5 fixed 5.8.0, 6.4.0

## How to check

- In Joomla admin, Extensions > Manage, find StageIt and note its version.
- Affected: StageIt 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).
- Also check StageIt 4.x and older (Joomla 3/4): NVD's range covers them, but no fixed version was confirmed for them in the sources I read; JED lists 4.2.1 and 2.2.1 as current.
- After updating, review /stgbackups/ and the StageIt log for pushes, restores or deletes nobody on your team ran.

## Fix

Update StageIt 5.x to 5.8.0 (Joomla 5) or StageIt 6.x to 6.4.0 (Joomla 6); both released 24 Oct 2026 per the vendor changelog as reported by mySites.guru. Current JED listing shows 6.5.0 / 5.9.0.

## Timeline

- 2026-11-02T14:23:23+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-103420
- 2026-11-02T14:26:35+00:00 analyst — NVD page had no text; ranges from CVE title. Fix versions and action list from mySites.guru reading of vendor changelog (secondary); vendor changelog page fetched did not show 5.8.0/6.4.0, so nothing marked verified. Older lines (<=4.x) fix status unknown.

## 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, Joomla Extension Directory https://extensions.joomla.org/extension/stageit/

## From the sources

Joomla Extension - php-web-design.com - CSRF for various actions in StageIt 1.0-5.7.5, 6.0-6.3.5

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_
