CVE-2006-0450

phpBB <= 2.0.19 - Denial of Service via User Registration or Search Function

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2006-0450. PoCs published by Parcer0.

AI-analyzed exploit summary The repository contains a functional C-based DoS exploit targeting phpBB 2.0.15 via profile.php and search.php endpoints. The exploit automates user registration and search requests to overwhelm the target system.

Description

phpBB 2.0.19 and earlier allows remote attackers to cause a denial of service (application crash) by (1) registering many users through profile.php or (2) using search.php to search in a certain way that confuses the database.

Exploits (1)

nomisec WORKING POC
by Parcer0 · poc
https://github.com/Parcer0/CVE-2006-0450-phpBB-2.0.15-Multiple-DoS-Vulnerabilities

The repository contains a functional C-based DoS exploit targeting phpBB 2.0.15 via profile.php and search.php endpoints. The exploit automates user registration and search requests to overwhelm the target system.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: phpBB 2.0.15 and lower
No auth needed
Prerequisites: Network access to the target phpBB instance
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/423030/100/0/threaded
Various Sources x_refsource_misc
http://h4cky0u.org/viewtopic.php?t=637
Exploit, Vendor Advisory x_refsource_misc
http://www.h4cky0u.org/advisories/HYSA-2006-001-phpbb.txt
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/368
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/24327

Scores

EPSS 0.0497
EPSS Percentile 91.1%

Details

Status published
Products (29)
phpbb_group/phpbb 2.0.0
phpbb_group/phpbb 2.0.1
phpbb_group/phpbb 2.0.2
phpbb_group/phpbb 2.0.3
phpbb_group/phpbb 2.0.4
phpbb_group/phpbb 2.0.5
phpbb_group/phpbb 2.0.6
phpbb_group/phpbb 2.0.6c
phpbb_group/phpbb 2.0.6d
phpbb_group/phpbb 2.0.7
... and 19 more
Published Jan 27, 2006
Tracked Since Feb 18, 2026