VULNERABILITY INTELLIGENCE

CVE-2023-53950

CVSS score9.8 CRITICAL
EPSS probability0.65%
CISA KEVNot currently listed
Published2025-12-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • disclosure@vulncheck.com: CWE-434

Primary references