Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in DataEase - CVE-2025-62421
Published: April 16, 2026
Vulnerability identifier: #VU126343
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-62421
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: DataEase
Affected software:
DataEase
DataEase
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary script in a user's browser.
The vulnerability exists due to improper access control in the StaticResourceApi upload route when handling crafted file upload requests that use a whitelisted script-like path. A remote user can upload a crafted HTML file and access it through a path ending in a permitted extension to execute arbitrary script in a user's browser.
How to mitigate CVE-2025-62421
Install security update from vendor's website.