EIP-2026-100550

PRE-CVE

Sitefinity CMS - 'ASP.NET' Arbitrary File Upload

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-100550. PoCs published by Net.Edit0r.

AI-analyzed exploit summary This exploit leverages a file upload vulnerability in Sitefinity CMS (ASP.NET) versions 3.x to 4.0, allowing an attacker to upload a malicious ASP file disguised as an image (e.g., shell.asp;.jpg) via the ImageEditorDialog.aspx endpoint, leading to remote code execution.

Description

Sitefinity CMS - 'ASP.NET' Arbitrary File Upload

Exploits (1)

exploitdb WORKING POC
by Net.Edit0r · textwebappsasp
https://www.exploit-db.com/exploits/15563

This exploit leverages a file upload vulnerability in Sitefinity CMS (ASP.NET) versions 3.x to 4.0, allowing an attacker to upload a malicious ASP file disguised as an image (e.g., shell.asp;.jpg) via the ImageEditorDialog.aspx endpoint, leading to remote code execution.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: Sitefinity CMS (ASP.NET) 3.x - 4.0
No auth needed
Prerequisites: Access to the ImageEditorDialog.aspx endpoint · Ability to upload files to the target server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026