Critical severity9.8NVD Advisory· Published Dec 19, 2025· Updated Apr 15, 2026

CVE-2023-53950

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Froala/Wysiwyg Editorllm-fuzzy
Range: = 5.4

Patches

Vulnerability mechanics

References

innovastudio.comnvd
www.exploit-db.com/exploits/51362nvd
www.vulncheck.com/advisories/innovastudio-wysiwyg-editor-unrestricted-file-upload-via-filename-manipulationnvd

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