CVE-2025-4495Public exploitNetwork attack vector

Browser script execution via unneutralized memo value

Published May 10, 2025 · Updated May 10, 2025

Stored cross-site scripting in JAdmin 1.0 allows remote authenticated users to inject script through the memo save endpoint. A published request sends an HTML event handler in value, and /memoAjax/save accepts the executable markup without neutralization; the CNA instead attributes the flaw to ID processing. Low-privileged access and a later page view are required, and execution is confined to the viewer's browser context.

CVSS severity5.4
Medium
EPSS probability0.35%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored cross-site scripting in JAdmin 1.0 allows remote authenticated users to inject script through the memo save endpoint. A published request sends an HTML event handler in value, and /memoAjax/save accepts the executable markup without neutralization; the CNA instead attributes the flaw to ID processing. Low-privileged access and a later page view are required, and execution is confined to the viewer's browser context.

The record

CVE
CVE-2025-4495
Published
May 10, 2025
Updated
May 10, 2025
Vendor
JAdmin-JAVA
Product
JAdmin
Classifications
CWE-79, CWE-94, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 10, 2025CVE publishedPublication date reported by the CVE source.
  2. May 10, 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=1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

JAdmin-JAVA · JAdminversion=1.0

Published CVSS scores

5.1VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
3.5VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
4.0VulDBAV:N/AC:L/Au:S/C:N/I:P/A:N
5.4NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A: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-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-94Improper Control of Generation of Code ('Code Injection')
T1059.007Command and Scripting Interpreter: JavaScript/JScript

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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