CVE-2006-4122

Simple one-file guestbook <1.0 - Auth Bypass

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2006-4122. PoCs published by omnipresent.

AI-analyzed exploit summary This exploit demonstrates an authentication bypass vulnerability in Simple One-File Guestbook version 1.0. By accessing a specific URL with an 'id' parameter, an attacker can delete all guestbook entries without proper authentication.

Description

Simple one-file guestbook 1.0 and earlier allows remote attackers to bypass authentication and delete guestbook entries via a modified id parameter to guestbook.php.

Exploits (1)

exploitdb WORKING POC VERIFIED
by omnipresent · textwebappsphp
https://www.exploit-db.com/exploits/28362

This exploit demonstrates an authentication bypass vulnerability in Simple One-File Guestbook version 1.0. By accessing a specific URL with an 'id' parameter, an attacker can delete all guestbook entries without proper authentication.

Classification
Working Poc 90%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: Simple One-File Guestbook 1.0
No auth needed
Prerequisites: Access to the target guestbook.php file
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (6)

Core 6
Core References
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/442884/100/0/threaded
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2006/3229
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/19437
Exploit, Vendor Advisory x_refsource_misc
http://it.security.netsons.org/exploit/simplegb.txt
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/28289
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/21429

Scores

EPSS 0.0311
EPSS Percentile 86.1%

Details

Status published
Products (1)
simple_one-file_guestbook/simple_one-file_guestbook < 1.0
Published Aug 14, 2006
Tracked Since Feb 18, 2026