CVE-2023-40626 [20231101] - Core - Exposure of environment variables
Attackers can manipulate language file parsing to expose sensitive environment variables in Joomla CMS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-40626?
CVE-2023-40626 is a high-severity vulnerability in Joomla Joomla\!, published on 29 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The language file parsing process could be manipulated to expose environment variables. Environment variables might contain sensible information.
Which versions are affected by CVE-2023-40626?
1 open source package ship an affected version, including joomla. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
joomla Bitnami | From 1.6.0 to 5.0.0 | 3.10.14, 4.4.1 |
Products include Joomla Joomla\!.
How do I fix CVE-2023-40626?
Upgrade joomla to a fixed version for your release line: 3.10.14 or 4.4.1.
Is CVE-2023-40626 being exploited?
There is no known exploitation of CVE-2023-40626 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-2023-40626, GHSA-gphg-cqf2-p7v7.