EIP-2026-110388

PRE-CVE

OsCSS 1.2 - Arbitrary File Upload

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-110388. PoCs published by Shichemt Alen.

AI-analyzed exploit summary This exploit demonstrates a remote file upload vulnerability in OsCSS 1.2, allowing an attacker to upload a malicious file via a crafted HTML form targeting the admin/categories.php endpoint. The exploit bypasses authentication and directly uploads a shell, enabling remote code execution.

Description

OsCSS 1.2 - Arbitrary File Upload

Exploits (1)

exploitdb WORKING POC
by Shichemt Alen · textwebappsphp
https://www.exploit-db.com/exploits/15651

This exploit demonstrates a remote file upload vulnerability in OsCSS 1.2, allowing an attacker to upload a malicious file via a crafted HTML form targeting the admin/categories.php endpoint. The exploit bypasses authentication and directly uploads a shell, enabling remote code execution.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: OsCSS 1.2
No auth needed
Prerequisites: Access to the target web application · Network connectivity to the admin interface
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026