CVE-2005-3926

GuppY 4.5.9 - Remote Code Execution via _SERVER[REMOTE_ADDR] Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2005-3926. PoCs published by rgod.

AI-analyzed exploit summary This exploit targets Guppy CMS <=4.5.9 by overwriting the _SERVER[REMOTE_ADDR] variable to inject arbitrary PHP code, enabling remote command execution. The script provides a web interface to input target details and execute commands.

Description

Direct static code injection vulnerability in error.php in GuppY 4.5.9 and earlier, when register_globals is disabled, allows remote attackers to execute arbitrary PHP code via the _SERVER[REMOTE_ADDR] parameter, which is injected into a .inc script that is later included by the main script.

Exploits (1)

exploitdb WORKING POC VERIFIED
by rgod · phpwebappsphp
https://www.exploit-db.com/exploits/1342

This exploit targets Guppy CMS <=4.5.9 by overwriting the _SERVER[REMOTE_ADDR] variable to inject arbitrary PHP code, enabling remote command execution. The script provides a web interface to input target details and execute commands.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Guppy CMS <=4.5.9
No auth needed
Prerequisites: PHP with sockets module or fsockopen enabled · magic_quotes_gpc disabled
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (7)

Core 7
Core References
Exploit vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1015279
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/417899/100/0/threaded
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/17790
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/15609
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/23318
Exploit, Vendor Advisory x_refsource_misc
http://rgod.altervista.org/guppy459_xpl.html
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2005/2635

Scores

EPSS 0.0312
EPSS Percentile 86.1%

Details

Status published
Products (5)
guppy/guppy 4.5
guppy/guppy 4.5.3
guppy/guppy 4.5.3a
guppy/guppy 4.5.4
guppy/guppy 4.5.9
Published Nov 30, 2005
Tracked Since Feb 18, 2026