CVE-2019-12764 Missing authorization in n/a
Non-super-admin users can manipulate the update server URL in Joomla, potentially redirecting updates to malicious sources.
- 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-2019-12764?
CVE-2019-12764 is a medium-severity missing authorization vulnerability in Joomla Joomla\!, published on 11 Jun 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An issue was discovered in Joomla! before 3.9.7. The update server URL of com_joomlaupdate can be manipulated by non Super-Admin users.
Which versions are affected by CVE-2019-12764?
It affects 1 product.
Products include Joomla Joomla\!.
How do I fix CVE-2019-12764?
No fix has been published for CVE-2019-12764 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2019-12764 being exploited?
There is no known exploitation of CVE-2019-12764 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-3j28-7p57-m6c7.