CVE-2023-53950

InnovaStudio WYSIWYG Editor 5.4 Unrestricted File Upload via Filename Manipulation

Published Dec 19, 2025 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Innovastudio
Innovastudio wysiwyg Editor
Vendors & Products Innovastudio
Innovastudio wysiwyg Editor
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title InnovaStudio WYSIWYG Editor 5.4 Unrestricted File Upload via Filename Manipulation
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
May 14, 2026, 2:07 AM
Reserved
Dec 16, 2025, 7:22 PM
Status
Deferred
Published
Dec 19, 2025, 9:15 PM
Modified
Jun 17, 2026, 6:46 AM