Questions tagged [security]

This tag is for Joomla-related security questions, and extension/template coding in order to prevent intrusion.

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Joomla 3.10.x SQL Injection XSS Vulnerability

I have a website setup on my infrastructure that is running Joomla 3.10.8. During a security audit, certain SQL injection vulnerabilities / XSS have been identified. The setup includes a bunch of ...
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0 votes
0 answers
34 views

How to encrypt and decrypt User data in joomla

I am new to joomla, and working on joomla application which is currently running on production environment. Application contains 1000+ registered users. As per GDPR Policy, I have requirement for ...
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1 vote
0 answers
56 views

Joomla 3.9 CORS error

I'm trying to allow CORS on my website but I can't get it to work. I've seen many posts about this, from updating .htacces, httpd.conf, meta tags, and php headers, but nothing worked. I always get a ...
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  • 11
1 vote
1 answer
84 views

Security concern in Joomla .php: is define('_JEXEC', 1) safe to use?

I came across this on joomla.stackechange which has me concerned: "define('_JEXEC', 1) is a bad for security in the module. It allows people to use this file as an alternative entry point for ...
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  • 83
1 vote
1 answer
140 views

How to prevent spam registration?

Every month there are hundreds of malicious users (most of the registering emails are from some Russian domain) registering my site. This is mixed with scores of authentic users. I have already turned ...
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  • 1,369
0 votes
2 answers
47 views

Every time a user logins in they are automatically blocked

Every time a user logs in they are automatically blocked. When I enable them again they login once and it disables them again. It's making it impossible for my staff to get any work done. It's ...
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  • 1,829
1 vote
2 answers
47 views

JED Checker - Rule Jamss - JAMSS - Joomla! Anti-Malware Scan Script

I am receiving an alert in JED Checker, the line of code that generates the alert contains str_replace which is used to replace of spaces with hyphens. Here the code: $uniqueFilter = array_unique($...
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  • 167
1 vote
1 answer
22 views

Are Super User rights required to update Joomla?

We are trying to lock down the SuperUser in our application, and only assign it to 2 people. I have created a new group TIQAdmin that isn't a Super User, but has extensive rights in the back end. ...
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0 votes
0 answers
19 views

Joomla CHMOD index.php changed from outside

For some time I have had the issue that the file permissions for index.php in the root directory (and sometimes within /administrator folder as well) is automatically changed from 644 and so page ...
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1 vote
1 answer
31 views

Mixed content, no http:// in html

I'm not sure when this started happening, but I noticed today in Google Chrome (and subsequently in Firefox & IE) that my Joomla 3.9.20 site is causing a "Mixed content" warning. I ...
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  • 203
1 vote
0 answers
19 views

Fabrik security issue: input tag attributes expose database table prefix

In the generated HTML for the input field, the id and name attributes shows the Joomla database table prefix. Exposing the database prefix is a security concern. Is there a way to prevent this? <...
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2 votes
2 answers
28 views

Is there a way to disable "silent" Joomla pages?

For example: index.php?option=com_contact&view=categories&lang=en Perhaps you have never used this contact component and there is no menu item created for it, yet for most Joomla websites ...
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  • 1,369
1 vote
0 answers
30 views

Upload and attachement for phpmailer

hello i starting an code to allow sending file via a form i create an input file field <input type="file" name="'.$field_name.'[]" accept="'.$values_field[0].'" id="'.$field_id.'" '.$placeholder.' ...
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4 votes
1 answer
2k views

Is it possible to load a newer jQuery version?

Is it possible to override the native JHtml::_('jquery.framework') loaded by Joomla, using some line of php? I understand I could replace this line in my template. But since I am using a template ...
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  • 213
0 votes
1 answer
36 views

How to prevent "unvalidated redirects"?

I'm trying to harden a Joomla site (v3.9.13). The security team have raised an issue regarding redirects. They require that there should be a whitelist of addresses to which the website can redirect. ...
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  • 101
1 vote
1 answer
73 views

Spam Emails and Web Host Security

Joomla 3.9.13 The past while i've been receiving a lot of emails with the subject line similar to; Subject: Warning: message 1iTQ2k-00083X-8c delayed 24 hours The email body contains the following, ...
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  • 3,501
0 votes
1 answer
34 views

Is it secure to work with JCE?

I read https://blog.sucuri.net/2019/10/throwback-threat-thursday-jce-vulnerability.html We use JCE and it is so WYSIWIG, i.e., easy for a user that have access to frontend. I am from the "light side"...
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  • 153
3 votes
1 answer
64 views

What are the code changes for the Security patch vulnerability in 3.9.9

I am a total beginner in Joomla. I found that the security patch for the following vulnerability was fixed in 3.9.9: Filter attribute in subform fields allows remote code execution But I am not ...
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5 votes
5 answers
1k views

How to find the version of extensions used on a Joomla website without access to the backend?

First of all, I would like to check myself: An extension is an aggregate of modules, plugins and components, right? If that is right, then modules, plugins and components have the same versions. Is ...
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  • 153
0 votes
1 answer
353 views

Unable to log in to Joomla! front-end

When attempting to log in using the standard Joomla! login page, the following message is displayed: Warning The security token did not match. The request was aborted to prevent any security ...
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2 votes
2 answers
838 views

Using external PHP library and defined('_JEXEC') or die;

I want to use hatemile-for-php library (https://github.com/hatemile/hatemile-for-php) in my plugin. As I am only ever using this library within this one plugin, I included it in the plugin folder ...
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  • 354
4 votes
1 answer
526 views

Site keeps browsing itself all the time

I run the server where this Joomla! site is hosted, so I have root access to it. There is something in the configuration, or somewhere in its code, that keeps browsing the site itself. If I run # ...
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0 votes
1 answer
110 views

Joomla 3 temporary accounts [closed]

Developing a testing system as a diploma. Got a question. registration for users who will take the test should be avoided. I thought to create temporary accounts, which after the passage will be ...
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3 votes
2 answers
116 views

How to prevent Joomla's hidden links from being visited?

Some of Joomla's page can be visited even though there isn't any link to it on the site. One of the infamous examples is when some hacker visits the user registration link even though there isn't any ...
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  • 1,369
3 votes
1 answer
36 views

How to prevent directory access by a third party component?

In the Akeeba Backup docs, in the section "Securing the backup output directory" the following security recommendation is provided Using a well known location would allow an attacker exploiting a ...
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  • 2,087
3 votes
1 answer
610 views

Fake users created without using site registration form but still using overrides?

I am working with a Joomla 3.7.5 site. The registration scheme has always been admin activation from the start. Right now there is a constant deluge of fake Russian user accounts. They aren't getting ...
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5 votes
2 answers
545 views

Bypass password reset 'confirm' page

The standard Joomla password reset process takes three steps: Enter email address and request reset token Complete the 'confirm' page with username and reset token (either by copying the token from ...
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  • 527
2 votes
4 answers
384 views

What to do with hacker attempts to guess my Admin Password and login in backend?

In all my Joomla sites, I find too many errors on the Logs/error.log like below: Joomla FAILURE: Username and password do not match or you do not have an account yet. I think this indicates ...
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  • 1,369
1 vote
1 answer
183 views

How can I use Joomla's 'Escape' method if I'm using an abstract class to construct data?

Consider this code for instance: <?php echo MyLib::getSection($row);?> where MyLib: abstract class MyLib { public static function getSection($row) { return '<span title="$...
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  • 287
1 vote
2 answers
596 views

Is it possible to encrypt the database password in the Joomla configuration file?

Is it possible to encrypt the database password in the Joomla configuration file? Example : change public $password = 'xxxxxx'; by : $password = hash;
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2 votes
2 answers
2k views

Occasional 403 errors when saving articles

I have a strange error in Joomla backend. I get a forbidden error when trying to save article from certain custom component in Joomla it doesn't happen for all articles which baffles me a lot. I get ...
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2 votes
2 answers
284 views

Custom Component load data

I'm fairly new to Joomla and I'm taking over a project from a previous developer. In a custom component we are capturing user data in a form. Before the name and address is entered into the database ...
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  • 173
-1 votes
2 answers
99 views

Joomla Website affected with Malware [duplicate]

My website has been blocked by google because it thinks it's been affected by malware. When I run scans they don't show anything. How can I detect what's wrong? My sites always get affected with ...
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3 votes
1 answer
1k views

ModSecurity returns 403 forbidden in administrator article manager

I am getting 403 Forbidden messages in the Joomla 3.6.5 admin panel when I (as Super User) attempt to: Select any page from 2 to end Change the articles per page from the default 20 Search for an ...
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2 votes
1 answer
62 views

Joomla's default server-side validation

I want to know that if the Joomla's (3.6.5) default server-side validation (for forms' fields) is secure enough to rely on it only? In other words, is it necessary to make changes to Joomla's server-...
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5 votes
2 answers
717 views

How to avoid fake users to register my Joomla site [duplicate]

I have a Joomla site that allows users registration. Form registration uses captcha plugin that comes with Joomla. The problem is that I am constantly receiving fake registrations. Most of them, ...
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  • 171
1 vote
3 answers
223 views

Recurring MOD_SECURITY upon logging into the site admin page

My website has migrated from one hosting server to another. Since then, for the reason I am unsure about, when I try to log into my admin page the following error occurs. After getting stuck with it ...
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  • 203
4 votes
2 answers
1k views

You must provide at least one recipient email address (when saving Global Configuration)

This is somehow started happening recently on some Joomla 3.6.5 sites. Each time I save anything in the com_config - either on the global configuration, or a component's configuration, I am getting ...
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  • 19.5k
3 votes
5 answers
544 views

Manual update to Joomla 2.5.999 for 3.6.5 update

Joomla 3.6.5 is released today that includes a High Priority security fix that is affecting Joomla! 1.6.0 through 3.6.4. How can I apply the fix manually to Joomla 2.5.999 (PhilETaylor's unofficial ...
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  • 2,388
2 votes
2 answers
85 views

Finding a clean version of extensions during Joomla! migration?

I'm working with a set of Joomla! installations that has been infected by malware and have to clean them up as soon as possible. I'm not used to working with Joomla!. The sites have been badly managed,...
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0 votes
1 answer
111 views

Do I need to worry about unauthorized users with registered accounts?

I just updated my site to 3.6.4 and in doing some maintenance noticed that there were unauthorized users added to the site to the registered users group. I was able to delete the users without a ...
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  • 537
5 votes
2 answers
2k views

How did hackers manage to create a new user while "allow user registration" is set to "NO"?

Recently I find a new user is created on my 3.6.0 site and put into "administrator" group, but the "Allow User Registration" option is set to "NO", though the "enabled" and "Activated" status are both ...
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  • 1,369
0 votes
1 answer
113 views

Security Alternative to updating to 3.6.4

I cannot update to Joomla version 3.6.4 because core files have been changed. I am stuck at 3.4.6 I still want to protect against the vulnerabilities mentioned in https://www.joomla.org/announcements/...
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0 votes
3 answers
231 views

Joomla 3 and Google Security Issues - Security Issues

I have site on Joomla 3.6.2 Stable. In this week I get mail from google about "Security Issues". When I login to webmaster tools there was this message Hacked with spam A hacker may have ...
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  • 101
1 vote
3 answers
201 views

Joomla site hacked. Some visitors see spam content, while others see normally my site's real content

My website address is http://bethelrc.org Google is reporting it may be hacked, when I look at the file system, there are many unauthorized folders and files recently created. I deleted all these ...
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  • 1,369
1 vote
1 answer
355 views

Why is Norton blocking access to my site?

A client is on my case because Norton won't let him (and apparently a few of his customers) see the site. The following report is produced: I'm familiar with Joomla expoits and have cleaned up many ...
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  • 362
0 votes
2 answers
246 views

Sitelock Found High Priority Security Issue Joomla 3.5.1

My server is running Sitelock Pro which has identified a high priority security vulnerability. I am using Joomla 3.5.1. They have reported the following as a potential CGI Generic SQL Injection Issue. ...
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0 votes
2 answers
7k views

403 Forbidden Access, when accessing custom html/php files directly

I am trying to open html and php pages directly, but it shows : 403 Forbidden Access to this resource on the server is denied! When I try www.mysite.com/dir/ index page shows up, error ...
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5 votes
2 answers
5k views

Generating static pages out of Joomla?

recently a friends company website that is using Joomla was hacked. Since keeping the website always up to date is not of any priority, it ran an outdated version and I'd assume it could happen again ...
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  • 153
1 vote
2 answers
544 views

Access Denied, what am I overlooking?

Working with Joomla 3.5.1 and having an issue with pages that I've restricted to a certain permission. I send out a Newsletter that has roughly 15 stories. The first 5 are always public, but the ...
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