CVE-2023-27888Network attack vector

Stored script execution via Message Memo input

Published May 10, 2023 · Updated Jan 27, 2025

Stored cross-site scripting in SiteBridge Joruri Gw 3.2.5 and earlier allows remote authenticated users to execute scripts via Message Memo. The Message Memo function accepts JavaScript in a specific input field and renders it in another user's browser without effective neutralization. Both the attacker and victim must be authenticated, and the victim must access the affected page before the script executes in that user's browser.

CVSS severity5.4
Medium
EPSS probability0.45%
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 SiteBridge Joruri Gw 3.2.5 and earlier allows remote authenticated users to execute scripts via Message Memo. The Message Memo function accepts JavaScript in a specific input field and renders it in another user's browser without effective neutralization. Both the attacker and victim must be authenticated, and the victim must access the affected page before the script executes in that user's browser.

The record

CVE
CVE-2023-27888
Published
May 10, 2023
Updated
Jan 27, 2025
Vendor
SiteBridge Inc.
Product
Joruri Gw
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 10, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 27, 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=Ver 3.2.5 and earlier

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

SiteBridge Inc. · Joruri Gwversion=Ver 3.2.5 and earlier

Published CVSS scores

3.5JPCERT/CCAV:N/AC:M/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
5.4JPCERT/CCCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
5.4CISA-ADPCVSS: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 exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

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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