CVE-2020-10238

HIGH

Joomla! < 3.9.16 - Incorrect Access Control in com_templates

Title source: llm

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-10238. PoCs published by HoangKien1020.

AI-analyzed exploit summary This repository contains a functional exploit for CVE-2020-10238, an incorrect access control vulnerability in Joomla's com_templates component. The exploit allows authenticated administrators to achieve remote code execution by uploading a malicious PHP file.

Description

An issue was discovered in Joomla! before 3.9.16. Various actions in com_templates lack the required ACL checks, leading to various potential attack vectors.

Exploits (1)

nomisec WORKING POC 6 stars

by HoangKien1020 · poc

https://github.com/HoangKien1020/CVE-2020-10238

View Code ZIP pw:eip

This repository contains a functional exploit for CVE-2020-10238, an incorrect access control vulnerability in Joomla's com_templates component. The exploit allows authenticated administrators to achieve remote code execution by uploading a malicious PHP file.

Classification

Working Poc 95%

Attack Type

Rce

Complexity

Moderate

Reliability

Reliable

Target: Joomla core before 3.9.16

Auth required

Prerequisites: Valid admin credentials for Joomla · Access to the Joomla administrator interface

MITRE ATT&CK

T1068 - Exploitation for Privilege Escalation T1203 - Exploitation for Client Execution

devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1

Core References

Vendor Advisory x_refsource_misc

https://developer.joomla.org/security-centre/804-20200303-core-incorrect-access-control-in-com-templates

Scores

CVSS v3 7.5

EPSS 0.0558

EPSS Percentile 91.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE

CWE-668

Status published

Products (1)

joomla/joomla\! 2.5.0 - 3.9.16

Published Mar 16, 2020

Tracked Since Feb 18, 2026