CVE-2020-10239 Missing authorization in n/a
Non-superadmin users can improperly access SQL fieldtypes in Joomla, allowing unauthorized data modification or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-10239?
CVE-2020-10239 is a high-severity missing authorization vulnerability in Joomla Joomla\!, published on 16 Mar 2020. 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 3.9.16. Incorrect Access Control in the SQL fieldtype of com_fields allows access for non-superadmin users.
Weakness: CWE-863
Which versions are affected by CVE-2020-10239?
1 open source package ship an affected version, including joomla. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
joomla Bitnami | From 3.7.0 | 3.9.16 |
Products include Joomla Joomla\!.
How do I fix CVE-2020-10239?
Upgrade joomla to 3.9.16 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2020-10239 being exploited?
There is no known exploitation of CVE-2020-10239 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
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 BIT-joomla-2020-10239, GHSA-3q25-m4x5-9jh7.