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CVE-2023-53950

CRITICAL Exploitation: PoC
9.8
CVSS 3.1
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.

Metadata

CVE ID
CVE-2023-53950
State
PUBLISHED
Assigner
VulnCheck
Reserved
2025-12-16 19:22 UTC
Published
2025-12-19 21:07 UTC
Last updated
2026-05-14 02:07 UTC
Primary CWE
CWE-434
Unrestricted Upload of File with Dangerous Type
Vendor / Product
innovastudio / WYSIWYG Editor
Sources
cve.org  ·  NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC — CISA Coordinator
Exploitation
PoC
Automatable
yes
Tech. Impact
total
Affected products (1)
VendorProductPlatformVersions
innovastudio WYSIWYG Editor — 0 ≤ 5.4
Weakness (CWE)
CWESourceDescription
CWE-434 cna Unrestricted Upload of File with Dangerous Type
CVSS scores (2)
ScoreSeverityVersionSourceVector
9.8 CRITICAL 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3 CRITICAL 4.0 cna 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
References (3)
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