CVE-2023-53950

CRITICAL

InnovaStudio WYSIWYG Editor 5.4 - Unrestricted File Upload

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-53950. PoCs published by Zer0FauLT.

AI-analyzed exploit summary This exploit demonstrates an unrestricted file upload vulnerability in InnovaStudio WYSIWYG Editor 5.4 by bypassing file extension restrictions via null byte injection. It allows uploading a malicious ASP file to achieve remote code execution.

Description

InnovaStudio WYSIWYG Editor 5.4 contains an unrestricted file upload vulnerability that allows attackers to bypass file extension restrictions through filename manipulation. Attackers can upload malicious ASP shells by using null byte techniques and alternate file extensions to circumvent upload controls in the asset manager.

Exploits (1)

exploitdb WORKING POC
by Zer0FauLT · textwebappsasp
https://www.exploit-db.com/exploits/51362

This exploit demonstrates an unrestricted file upload vulnerability in InnovaStudio WYSIWYG Editor 5.4 by bypassing file extension restrictions via null byte injection. It allows uploading a malicious ASP file to achieve remote code execution.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: InnovaStudio WYSIWYG Editor <= 5.4
No auth needed
Prerequisites: Access to the asset manager upload endpoint · Ability to send crafted HTTP requests
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory exploit
https://www.exploit-db.com/exploits/51362
Various Sources product
https://innovastudio.com

Scores

CVSS v3 9.8
EPSS 0.0056
EPSS Percentile 41.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-434
Status published
Products (1)
innovastudio/WYSIWYG Editor < 5.4
Published Dec 19, 2025
Tracked Since Feb 18, 2026