EIP-2026-105672

PRE-CVE

C99Shell 1.0 Pre-Release build 16 (Web Shell) - 'ch99.php' Cross-Site Scripting

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-105672. PoCs published by indoushka.

AI-analyzed exploit summary This exploit demonstrates a cross-site scripting (XSS) vulnerability in C99Shell 1.0 pre-release build 16. The vulnerability arises from insufficient sanitization of user-supplied input in the 'directory' parameter, allowing arbitrary script execution in the context of the affected site.

Description

C99Shell 1.0 Pre-Release build 16 (Web Shell) - 'ch99.php' Cross-Site Scripting

Exploits (1)

exploitdb WORKING POC VERIFIED
by indoushka · textwebappsphp
https://www.exploit-db.com/exploits/33979

This exploit demonstrates a cross-site scripting (XSS) vulnerability in C99Shell 1.0 pre-release build 16. The vulnerability arises from insufficient sanitization of user-supplied input in the 'directory' parameter, allowing arbitrary script execution in the context of the affected site.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: C99Shell 1.0 pre-release build 16
No auth needed
Prerequisites: Access to the vulnerable C99Shell instance
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026