CVE-2023-53950 - CVE House
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Status published Critical CVE-2023-53950

InnovaStudio WYSIWYG Editor 5.4 Unrestricted File Upload via Filename Manipulation

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Zer0FauLT

Affected Vendor

innovastudio

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Affected Software

WYSIWYG Editor
Vulnerable Versions:
0

Timeline

Official Publish: December 19th, 2025
Last Modified: May 14th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)