CVE-2018-6376

CRITICAL LAB

Joomla! < 3.8.4 - SQL Injection in Hathor Postinstall Message

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-6376. PoCs published by knqyf263.

AI-analyzed exploit summary This repository provides a Docker setup for Joomla! to demonstrate CVE-2018-6376, a second-order SQL injection vulnerability. It lacks exploit code but includes instructions for setting up a vulnerable environment.

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.

Exploits (1)

nomisec WRITEUP 1 stars
by knqyf263 · poc
https://github.com/knqyf263/CVE-2018-6376

This repository provides a Docker setup for Joomla! to demonstrate CVE-2018-6376, a second-order SQL injection vulnerability. It lacks exploit code but includes instructions for setting up a vulnerable environment.

Classification
Writeup 90%
Attack Type
Sqli
Complexity
Moderate
Reliability
Theoretical
Target: Joomla!
Auth required
Prerequisites: Docker · Joomla! instance
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1040316
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/102916

Scores

CVSS v3 9.8
EPSS 0.0478
EPSS Percentile 90.8%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Lab Environment

COMMUNITY
Community Lab
docker pull joomla:3.8.2

Details

CWE
CWE-89
Status published
Products (1)
joomla/joomla\! < 3.8.4
Published Jan 30, 2018
Tracked Since Feb 18, 2026