CVE-2025-2490Public exploitNetwork attack vector

Stored XSS via unchecked uploaded file content

Published Mar 18, 2025 · Updated Mar 18, 2025

Stored XSS in Dromara UJCMS 9.7.5 allows remote authenticated users to execute JavaScript when a user views an uploaded file. WebFileUploadController upload and uploadZip validate filenames or suffixes but store HTML and PDF content without inspecting or neutralizing embedded scripts. Backend upload privileges are required, and execution occurs only when another user selects View, exposing that user's browser session to script actions in the site's origin.

CVSS severity4.8
Medium
EPSS probability0.32%
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 Dromara UJCMS 9.7.5 allows remote authenticated users to execute JavaScript when a user views an uploaded file. WebFileUploadController upload and uploadZip validate filenames or suffixes but store HTML and PDF content without inspecting or neutralizing embedded scripts. Backend upload privileges are required, and execution occurs only when another user selects View, exposing that user's browser session to script actions in the site's origin.

The record

CVE
CVE-2025-2490
Published
Mar 18, 2025
Updated
Mar 18, 2025
Vendor
Dromara
Product
UJCMS
Classifications
CWE-94, CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 18, 2025CVE publishedPublication date reported by the CVE source.
  2. Mar 18, 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=9.7.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Dromara · UJCMSversion=9.7.5

Published CVSS scores

5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
3.3VulDBAV:N/AC:L/Au:M/C:N/I:P/A:N
2.4VulDBCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
4.8VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

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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