Exploitation Summary
EIP tracks 1 public exploit for CVE-2007-4256. PoCs published by GoLd_M.
AI-analyzed exploit summary This exploit demonstrates a directory traversal vulnerability in YNP Portal System 2.2.0 via the 'p' parameter in showpage.cgi, allowing remote file disclosure. The PoC provides a URL example to retrieve /etc/passwd.
Description
Directory traversal vulnerability in showpage.cgi in YNP Portal System 2.2.0 allows remote attackers to read arbitrary files via a .. (dot dot) in the p parameter.
Exploits (1)
exploitdb
WORKING POC
VERIFIED
by GoLd_M · textwebappscgi
https://www.exploit-db.com/exploits/4261
This exploit demonstrates a directory traversal vulnerability in YNP Portal System 2.2.0 via the 'p' parameter in showpage.cgi, allowing remote file disclosure. The PoC provides a URL example to retrieve /etc/passwd.
Classification
Working Poc 90%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target:
YNP Portal System 2.2.0
No auth needed
Prerequisites:
Target running YNP Portal System 2.2.0 with exposed showpage.cgi
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026
Full analysis →
References (2)
Core 2
Core References
Exploit, Third Party Advisory exploit
x_refsource_exploit-db
https://www.exploit-db.com/exploits/4261
Third Party Advisory, VDB Entry vdb-entry
x_refsource_osvdb
http://osvdb.org/39198
Scores
EPSS
0.0645
EPSS Percentile
92.8%
Details
Status
published
Products (1)
ynp/portal_systems
2.2.0
Published
Aug 08, 2007
Tracked Since
Feb 18, 2026