Vulnerability · Published Dec 19, 2025 · Assigned by VulnCheck
CVE-2023-53950InnovaStudio WYSIWYG Editor 5.4 Unrestricted File Upload via Filename Manipulation
Critical 9.8
In plain English
A critical-severity unrestricted file upload in WYSIWYG Editor from innovastudio. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 51% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.7%top 48.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| innovastudio | WYSIWYG Editor | 0 – through 5.4 |
Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- ExploitDB-51362 exploit
- Official Vendor Homepage product
- VulnCheck Advisory: InnovaStudio WYSIWYG Editor 5.4 Unrestricted File Upload via Filename Manipulation third-party-advisory