CVE-2023-37560Network attack vector

Arbitrary script execution via undisclosed cross-site scripting

Published Jul 13, 2023 · Updated Nov 5, 2024

Cross-site scripting in ELECOM WRH-300WH-H 2.12 and earlier and WTC-300HWH 1.09 and earlier allows remote attackers to run browser scripts. ELECOM and JVN have not disclosed the affected interface, input parameter, or faulty output-encoding operation. Exploitation is unauthenticated but requires a logged-in user to render the injected script; no device-side code execution is reported.

CVSS severity6.1
Medium
EPSS probability0.50%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in ELECOM WRH-300WH-H 2.12 and earlier and WTC-300HWH 1.09 and earlier allows remote attackers to run browser scripts. ELECOM and JVN have not disclosed the affected interface, input parameter, or faulty output-encoding operation. Exploitation is unauthenticated but requires a logged-in user to render the injected script; no device-side code execution is reported.

The record

CVE
CVE-2023-37560
Published
Jul 13, 2023
Updated
Nov 5, 2024
Vendor
ELECOM CO., LTD.
Product
WRH-300WH-H
Classifications
CWE-79, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 13, 2023CVE publishedPublication date reported by the CVE source.
  2. Nov 5, 2024Record 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=v2.12 and earlier

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

ELECOM CO., LTD. · WRH-300WH-Hversion=v2.12 and earlier
ELECOM CO., LTD. · WTC-300HWHversion=v1.09 and earlier

Published CVSS scores

6.1JVNCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
2.6JVNAV:N/AC:H/Au:N/C:N/I:P/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

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

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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