CVE-2023-28435Public exploitNetwork attack vector

Stored XSS via unauthenticated arbitrary file upload

Published Mar 24, 2023 · Updated Feb 19, 2025

Stored XSS in DataEase 1.18.4 and earlier allows remote attackers to run JavaScript in a visitor's browser via an uploaded HTML file. The static/resource/upload/ interface accepts unauthenticated uploads without checking file type and serves them from the static-resource directory. Cross-user exploitation requires a visitor to open the uploaded file, after which its script executes in the DataEase origin.

CVSS severity6.5
Medium
EPSS probability0.46%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in DataEase 1.18.4 and earlier allows remote attackers to run JavaScript in a visitor's browser via an uploaded HTML file. The static/resource/upload/ interface accepts unauthenticated uploads without checking file type and serves them from the static-resource directory. Cross-user exploitation requires a visitor to open the uploaded file, after which its script executes in the DataEase origin.

The record

CVE
CVE-2023-28435
Published
Mar 24, 2023
Updated
Feb 19, 2025
Vendor
FIT2CLOUD
Product
DataEase
Classifications
CWE-79, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 24, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 19, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 1.18.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

FIT2CLOUD · DataEaseversion=< 1.18.5

Published CVSS scores

6.5GitHub_MCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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