CVE-2007-6398

Flat PHP Board < 1.2 - Unauthenticated Authentication Bypass via fpb_username Cookie

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2007-6398. PoCs published by KiNgOfThEwOrLd.

AI-analyzed exploit summary The exploit demonstrates multiple vulnerabilities in Flat PHP Board <= 1.2, including remote command execution via file upload, directory traversal, and credential disclosure. It provides functional PoC code for RCE by injecting PHP code into user registration fields.

Description

Flat PHP Board 1.2 and earlier allows remote attackers to bypass authentication and obtain limited access to an arbitrary user account via the fpb_username cookie.

Exploits (1)

exploitdb WORKING POC VERIFIED
by KiNgOfThEwOrLd · textwebappsphp
https://www.exploit-db.com/exploits/4705

The exploit demonstrates multiple vulnerabilities in Flat PHP Board <= 1.2, including remote command execution via file upload, directory traversal, and credential disclosure. It provides functional PoC code for RCE by injecting PHP code into user registration fields.

Classification
Working Poc 95%
Attack Type
Rce | Info Leak | Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: Flat PHP Board <= 1.2
No auth needed
Prerequisites: Access to the registration page · Ability to send crafted HTTP requests
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/484803/100/100/threaded
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/4705
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/26782
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/43678

Scores

EPSS 0.0245
EPSS Percentile 82.2%

Details

CWE
CWE-287
Status published
Products (1)
flat_php/board < 1.2
Published Dec 17, 2007
Tracked Since Feb 18, 2026