CVE-2009-0290

SIR GNUBoard 4.31.03 - Path Traversal

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2009-0290. PoCs published by flyh4t.

AI-analyzed exploit summary This exploit demonstrates a local/remote file include vulnerability in GNUBoard V4.31.03. It leverages improper input validation in the `g4_path` parameter to include arbitrary files, potentially leading to remote code execution when `allow_url_include` is enabled.

Description

Directory traversal vulnerability in common.php in SIR GNUBoard 4.31.03 allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the g4_path parameter. NOTE: in some environments, this can be leveraged for remote code execution via a data: URI or a UNC share pathname.

Exploits (1)

exploitdb WORKING POC VERIFIED
by flyh4t · textwebappsphp
https://www.exploit-db.com/exploits/7792

This exploit demonstrates a local/remote file include vulnerability in GNUBoard V4.31.03. It leverages improper input validation in the `g4_path` parameter to include arbitrary files, potentially leading to remote code execution when `allow_url_include` is enabled.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: GNUBoard V4.31.03 (08.12.29)
No auth needed
Prerequisites: PHP >= 5.2.0 · allow_url_include = On · Access to the target URL
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/7792
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/48015
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/33304
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/33564

Scores

EPSS 0.0330
EPSS Percentile 87.0%

Details

CWE
CWE-22
Status published
Products (1)
sir/gnuboard 4.31.03
Published Jan 27, 2009
Tracked Since Feb 18, 2026