CVE-2008-6544

Simple Machines Forum 1.1.4 - Remote Code Execution via settings[default_theme_dir] Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2008-6544. PoCs published by Sibertrwolf.

AI-analyzed exploit summary This exploit demonstrates a remote file inclusion vulnerability in Simple Machines Forum 1.1.4. It allows an attacker to include arbitrary remote files containing malicious PHP code by manipulating the `settings[default_theme_dir]` or `settings[theme_dir]` parameters.

Description

Multiple PHP remote file inclusion vulnerabilities in Simple Machines Forum (SMF) 1.1.4 allow remote attackers to execute arbitrary PHP code via a URL in the (1) settings[default_theme_dir] parameter to Sources/Subs-Graphics.php and (2) settings[default_theme_dir] parameter to Sources/Themes.php. NOTE: CVE and multiple third parties dispute this issue because the files contain a protection mechanism against direct request

Exploits (1)

exploitdb WORKING POC VERIFIED
by Sibertrwolf · textwebappsphp
https://www.exploit-db.com/exploits/31555

This exploit demonstrates a remote file inclusion vulnerability in Simple Machines Forum 1.1.4. It allows an attacker to include arbitrary remote files containing malicious PHP code by manipulating the `settings[default_theme_dir]` or `settings[theme_dir]` parameters.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: Simple Machines Forum 1.1.4
No auth needed
Prerequisites: Access to the target URL · Ability to host a malicious PHP file on a remote server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (6)

Core 6
Core References
Exploit mailing-list x_refsource_fulldisc
http://archives.neohapsis.com/archives/bugtraq/2008-03/0426.html
Exploit mailing-list x_refsource_fulldisc
http://archives.neohapsis.com/archives/bugtraq/2008-03/0425.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/41518
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/28493
Exploit mailing-list x_refsource_fulldisc
http://archives.neohapsis.com/archives/bugtraq/2008-03/0431.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/51301

Scores

EPSS 0.0272
EPSS Percentile 86.1%

Details

CWE
CWE-94
Status published
Products (1)
simple_machines/simple_machines_forum 1.1.4
Published Mar 30, 2009
Tracked Since Feb 18, 2026