CVE-2019-14654 Code injection in n/a
Authenticated users with custom field creation rights can inject unvalidated options to achieve remote code execution in Joomla.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-14654?
CVE-2019-14654 is a high-severity code injection vulnerability in Joomla Joomla\!, published on 5 Aug 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In Joomla! 3.9.7 and 3.9.8, inadequate filtering allows users authorised to create custom fields to manipulate the filtering options and inject an unvalidated option. In other words, the filter attribute in subform fields allows remote code execution. This is fixed in 3.9.9.
Which versions are affected by CVE-2019-14654?
It affects 1 product.
Products include Joomla Joomla\!.
How do I fix CVE-2019-14654?
No fix has been published for CVE-2019-14654 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2019-14654 being exploited?
There is no known exploitation of CVE-2019-14654 in the wild and no public exploit code.
Other vulnerabilities in Joomla Joomla\!
- CVE-2016-10033 PHPMailer Command Injection
- CVE-2023-23752 Joomla! Improper Access Control
- CVE-2026-48902 Joomla! Core - [20260518] - Transport encryption downgrade for password and username reset links
- CVE-2025-25226 [20250401] - Joomla Framework - SQL injection vulnerability in quoteNameStr method of Database package
- CVE-2022-23795 [20220303] - Core - User row are not bound to a authentication mechanism
Sources
Also known as GHSA-6prc-8q5p-6xrc.