EIP-2026-100837

PRE-CVE

Jason Maloney's Guestbook 3.0 - Remote Command Execution

Title source: legacy

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-100837. PoCs published by shaun2k2.

AI-analyzed exploit summary This exploit targets a command injection vulnerability in Jason Maloney's Guestbook CGI script by sending a maliciously crafted POST request. The exploit leverages unsanitized input in the 'mailprog' parameter to achieve remote command execution with web server privileges.

Description

Jason Maloney's Guestbook 3.0 - Remote Command Execution

Exploits (1)

exploitdb WORKING POC VERIFIED

by shaun2k2 · cwebappscgi

https://www.exploit-db.com/exploits/23409

View Code ZIP pw:eip

This exploit targets a command injection vulnerability in Jason Maloney's Guestbook CGI script by sending a maliciously crafted POST request. The exploit leverages unsanitized input in the 'mailprog' parameter to achieve remote command execution with web server privileges.

Classification

Working Poc 90%

Attack Type

Rce

Complexity

Trivial

Reliability

Reliable

Target: Jason Maloney's Guestbook (version unspecified)

No auth needed

Prerequisites: Target must be running Jason Maloney's Guestbook CGI script · Network access to the target web server

MITRE ATT&CK

T1190 - Exploit Public-Facing Application T1203 - Exploitation for Client Execution

devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve

Tracked Since Feb 18, 2026