Published:2015/03/04  Last Updated:2015/03/06

Maroyaka Relay Novel vulnerable to cross-site scripting


Maroyaka Relay Novel provided by Maroyaka CGI contains a cross-site scripting vulnerability.

Products Affected

  • Maroyaka Relay Novel ver1.20c and earlier


Maroyaka Relay Novel provided by Maroyaka CGI is a CGI script for posting text into a website. Maroyaka Relay Novel contains a persistent cross-site scripting vulnerability.


An arbitrary script may be executed on the user's web browser.


Update the Software
Update to the latest version according to the information provided by the developer.

Vendor Status

Vendor Status Last Update Vendor Notes
Maroyaka CGI Vulnerable 2015/03/05 Maroyaka CGI website


JPCERT/CC Addendum

The developer originally stated there were no plans to further maintain the product at the time of publication on 2015/3/4 14:00. However, a fixed version was later released on 2015/3/4 22:00.
This advisory was revised on 2015/3/6 11:00.

Vulnerability Analysis by JPCERT/CC

Analyzed on 2015.03.04 (CVSS Base Metrics)

What is CVSS?

Measures Severity Description
Access Vector(AV) Local (L) Adjacent Network (A) Network (N) A vulnerability exploitable with network access means the vulnerable software is bound to the network stack and the attacker does not require local network access or local access. Such a vulnerability is often termed "remotely exploitable".
Access Complexity(AC) High (H) Medium (M) Low (L) Specialized access conditions or extenuating circumstances do not exist.
Authentication(Au) Multiple (M) Single (S) None (N) Authentication is not required to exploit the vulnerability.
Confidentiality Impact(C) None (N) Partial (P) Complete (C) There is no impact to the confidentiality of the system.
Integrity Impact(I) None (N) Partial (P) Complete (C) Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.
Availability Impact(A) None (N) Partial (P) Complete (C) There is no impact to the availability of the system.

Base Score:5.0


Shoji Baba reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Reports
CERT Advisory
CPNI Advisory
CVE CVE-2015-0893
JVN iPedia JVNDB-2015-000036

Update History

"Products Affected", "Solution", "JPCERT/CC Addendum" and Maroyaka CGI Vendor Status were updated.