CVE-2021-23132 [20210306] - Core - com_media allowed paths that are not intended for image uploads
Attackers can upload files to unintended directories in Joomla, potentially leading to unauthorized data access or modification.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-23132?
CVE-2021-23132 is a high-severity path traversal vulnerability in Joomla Joomla\!, published on 4 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in Joomla! 3.0.0 through 3.9.24. com_media allowed paths that are not intended for image uploads
Which versions are affected by CVE-2021-23132?
1 open source package ship an affected version, including joomla. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
joomla Bitnami | From 3.0.0 | 3.9.25 |
Products include Joomla Joomla\!.
How do I fix CVE-2021-23132?
Upgrade joomla to 3.9.25 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2021-23132 being exploited?
There is no known exploitation of CVE-2021-23132 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-2021-23132, GHSA-vm8f-p2gm-gmqv.