CVE-2025-13589Network attack vector

Browser script execution via reflected request input

Published Nov 24, 2025 · Updated Nov 24, 2025

Reflected XSS in Otsuka Information Technology FMS 20251014.10r45111 and earlier allows remote attackers to run JavaScript via phishing. TWCERT/CC does not identify the affected endpoint or parameter, but the weakness reflects attacker-controlled request data into a page without safe neutralization. Exploitation requires an unauthenticated attacker to lure a user to open a crafted link, after which the script runs in that user's browser context.

CVSS severity5.1
Medium
EPSS probability0.44%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in Otsuka Information Technology FMS 20251014.10r45111 and earlier allows remote attackers to run JavaScript via phishing. TWCERT/CC does not identify the affected endpoint or parameter, but the weakness reflects attacker-controlled request data into a page without safe neutralization. Exploitation requires an unauthenticated attacker to lure a user to open a crafted link, after which the script runs in that user's browser context.

The record

CVE
CVE-2025-13589
Published
Nov 24, 2025
Updated
Nov 24, 2025
Vendor
Otsuka Information Technology Corp.
Product
FMS
Classifications
CWE-79, CAPEC-591, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 24, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 24, 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=0 <=20251014.10r45111

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Otsuka Information Technology Corp. · FMSversion=0 <=20251014.10r45111

Published CVSS scores

6.1TWCERT/CCCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
5.1TWCERT/CCCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-591Reflected XSS
T1204.001User Execution: Malicious Link

Public exploit references

No public exploit references are available in this record.

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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