CVE-2005-4449

FlatNuke 2.5.6 - Authenticated Arbitrary PHP File Modification via verify.php

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2005-4449. PoCs published by rgod.

AI-analyzed exploit summary This exploit targets Flatnuke 2.5.6, leveraging a privilege escalation vulnerability due to improper handling of user input when magic_quotes_gpc is off. It allows remote command execution by manipulating admin credentials and injecting malicious PHP code into user files.

Description

verify.php in FlatNuke 2.5.6 allows remote authenticated administrators to modify arbitrary PHP files by setting the file parameter to an arbitrary file and injecting the code into the body parameter. NOTE: if a FlatNuke administrator is normally assumed to be able to modify arbitrary content, then this issue does not cross privilege boundaries and would not be a vulnerability.

Exploits (1)

exploitdb WORKING POC VERIFIED
by rgod · phpwebappsphp
https://www.exploit-db.com/exploits/1367

This exploit targets Flatnuke 2.5.6, leveraging a privilege escalation vulnerability due to improper handling of user input when magic_quotes_gpc is off. It allows remote command execution by manipulating admin credentials and injecting malicious PHP code into user files.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Flatnuke 2.5.6
No auth needed
Prerequisites: magic_quotes_gpc must be off · Target must be running Flatnuke 2.5.6
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/22159
Exploit mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/419107
Exploit vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1015339
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/248

Scores

EPSS 0.0472
EPSS Percentile 90.7%

Details

Status published
Products (1)
flatnuke/flatnuke 2.5.6
Published Dec 21, 2005
Tracked Since Feb 18, 2026