CVE-2018-6376 SQL injection in n/a
SQL injection in Joomla's Hathor postinstall message allows attackers to read or modify database contents due to missing type casting.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-6376?
CVE-2018-6376 is a critical SQL injection vulnerability in Joomla Joomla\!, published on 30 Jan 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In Joomla! before 3.8.4, the lack of type casting of a variable in a SQL statement leads to a SQL injection vulnerability in the Hathor postinstall message.
Weakness: CWE-89
Which versions are affected by CVE-2018-6376?
It affects 1 product.
Products include Joomla Joomla\!.
How do I fix CVE-2018-6376?
No fix has been published for CVE-2018-6376 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2018-6376 being exploited?
There is no known exploitation of CVE-2018-6376 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 GHSA-wrjj-7qqh-ghhq.