CVE-2015-1577

u5CMS < 3.9.3 - Path Traversal and Arbitrary File Write via f Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2015-1577. PoCs published by LiquidWorm.

AI-analyzed exploit summary This exploit demonstrates an arbitrary file deletion vulnerability in u5CMS 3.9.3 via the 'deletefile.php' script. The 'f' parameter is not properly sanitized, allowing directory traversal or absolute path manipulation to delete files with web server permissions.

Description

Directory traversal vulnerability in u5admin/deletefile.php in u5CMS before 3.9.4 allows remote attackers to write to arbitrary files via a (1) .. (dot dot) or (2) full pathname in the f parameter.

Exploits (2)

exploitdb WORKING POC
by LiquidWorm · textwebappsphp
https://www.exploit-db.com/exploits/36026

This exploit demonstrates an arbitrary file deletion vulnerability in u5CMS 3.9.3 via the 'deletefile.php' script. The 'f' parameter is not properly sanitized, allowing directory traversal or absolute path manipulation to delete files with web server permissions.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: u5CMS 3.9.3 and 3.9.2
No auth needed
Prerequisites: Access to the 'deletefile.php' script · Knowledge of the target file path
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC
pythonremotewindows
https://www.exploit-db.com/exploits/36025

This Python script exploits a buffer overflow vulnerability in Achat 0.150 beta7 by sending a crafted UDP packet with a malicious payload to trigger remote code execution (calc.exe). The payload is generated using msfvenom and includes a unicode-mixed encoder to bypass bad characters.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Achat 0.150 beta7
No auth needed
Prerequisites: Network access to the target server · Target running Achat 0.150 beta7 on Windows 7 32-bit
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (3)

Core 3

Scores

EPSS 0.0727
EPSS Percentile 93.5%

Details

CWE
CWE-22
Status published
Products (1)
yuba/u5cms < 3.9.3
Published Feb 11, 2015
Tracked Since Feb 18, 2026